# Magnesium has three naturally occurring isotopes: Mg-24 with mass 24.3050 amu and a natural abundance of 78.99 %, Mg-25 with mass 24.9858 amu and a natural abundance of 10.00 %, and Mg-26 with mass 25.9826 amu and a natural abundance

37,905 results
1. ## chemistry

Copper used in electric wires comes in two flavors (isotopes): 63Cu and 65Cu. 63Cu has an atomic mass of 62.9298 amu and an abundance of 69.09%. The other isotope, 65Cu, has an abundance of 30.91%. The average atomic mass between these two isotopes is

2. ## Chemistry

An element has three stable isotopes. One has a mass number of 63 and an abundance of 50%. The second has a mass number of 65 and an abundance of 30%. The third has a mass number of 67 and an abundance of 20%. Calculate the relative atomic mass of this

1. Which of the following is the correct definition of minerals? A) A naturally occurring, inorganic solid that has a crystal shape and definite chemical composition. B) A naturally occurring, inorganic solid that forms through crystallization of melted

4. ## Chem

Bromine has two natural occurring isotopes (Br-79 and Br-81) and has an atomic mass of 79.904 amu. The mass of Br-81 is 80.9163 amu, and its natural abundance is 49.31%. Calculate the mass and natural abundance of Br-79.

5. ## Chemistry

On another planet, the isotopes of titanium have the following natural abundances. Isotope 46Ti Abundance 70.900% Mass(amu) 45.95263 Isotope 48Ti Abundance 10.000% Mass(amu) 47.94795 Isotope 50Ti Abundance 19.100% Mass(amu) 49.94479 What is the average

6. ## chemistry

The atomic mass of Eu is 151.96. There are only two naturally occurring isotopes of europium, 151Eu with a mass of 151.0 and 153Eu with a mass of 153.0. The natural abundance of the 131Eu isotope must be approximately

7. ## Modern Chemistry

Bromine has two naturally occurring isotopes. Bromine-79 has a mass of 78.918 amu and is 50.69% abundant. Using the atomic mass reported on the periodic table, determine the mass of bromine-81, the other isotope of bromine.

8. ## chemistry

Gallium is a metal with a wide variety of uses. Some of its applications include computer memory chips, light emitting diodes and lasers. Radioactive isotopes of gallium are used to image the human body and locate tumors. Naturally occurring gallium

9. ## Chemistry

Boron has only two naturally occurring isotopes. The mass of boron-10 is 10.01294 amu and the mass of boron-11 is 11.00931 amu. Use the atomic mass of boron to calculate the relative abundance of boron-10. Atomic mass of boron is 10.81 How do I solve this?

10. ## chemistry

Two naturally occurring isotopes exist for the hypothetical element dippium. 25.0 percent of dippium atoms have a relative mass of 17.0 amu and 75.0 percent a relative mass of 21.3 amu. What is the atomic mass of dippium? Please show the work thanks

11. ## chemistry

The element rhenium (Re) has two naturally occurring isotopes, 185Re and 187Re, with an average atomic mass of 186.207 amu. Rhenium is 62.60% 187Re, and the atomic mass of 187Re is 186.956 amu. Calculate the mass of 185Re. am i supposed to multiply the

12. ## Chemistry

Copper is composed of two naturally occurring isotopes: Cu−63 (69.170%) and Cu−65. The ratio of the masses of the two isotopes is 1.0318.

13. ## Chemistry

Element X has two natural isotopes:X-6 (6.015amu) and X-7 (7.016amu). calculate the atomic mass of element X given the abundance of X-7 is 92.5%. a)12.5amu b)6.50amu c)6.09amu d)6.52amu e)6.94amu

14. ## chemistry

magnesium has 3 isotopes. Magnesium-24 has a percent abundance of 78.99%. Magnesium-26 has a percent of 11.01%. what is the percent abundance of magnesium-25? assume that there are no other magnesium isotopes. how do i do this please help

15. ## chemistry

Naturally occurring silicon exists as 3 isotopes: 28Si, 29Si, and 30Si, whose atomic masses are 27.9769, 28.9865, and 29.9838, respectively. The most abundant isotope is 28Si, which accounts for 92.23% of naturally occurring silicon. Given that the average

16. ## chemistry

Calculate the atomic mass of iridium. Iridium has two isotopes. Iridium-191 has a mass of 191.0 amu and a percent abundance of 37.58%. Iridium-191 has a mass of 193.0 amu and a percent abundance of 62.42%. how do i do this

17. ## physics

The atomic mass of an element is the weighted average of all of its isotopes. The percent abundance for the element boron is 19.9% boron-10 and 80.1% boron-11. Given the following atomic masses, determine the average atomic mass of the element boron.

18. ## Chemistry

This Chem problem is really difficult -Need help please! Magnesium Consists of three naturally occuring isotopes. The percent abundance of these isotopes is as follows: 24Mg(78.70%), 25Mg(10.13%) and 26Mg(11.7%). The average atomic mass of the three

19. ## chem

Calculate the atomic mass of titanium. The five titanium isotopes have atomic masses and relative abundances of 45.953 amu (8.00%), 46.952 amu (7.30%), 47.948 amu (73.80%), 48.948 amu (5.50%), and 49.945 amu (5.40%)

20. ## chemistry

Silicon has three naturally occurring isotopes: Si-28 with mass 27.9769 amu and a natural abundance of 92.21%, Si-29 with mass 28.9765 amu and a natural abundance of 4.69%, and Si-30 with mass 29.9737 amu and a natural abundance of 3.10%. Calculate the

21. ## Chemistry H.

Indium has two naturally occurring isotopes and an atomic mass of 114.818 amu. In- 113 has a mass of 112.904 amu and an abundance of 4.3%. What is the identity and percent abundance of indium's other isotope. I am very confused on how do I set up this

22. ## chemistry

Silver has two naturally occurring isotopes (Ag-107 and Ag-109). (a) Use the periodic table to find the atomic mass of silver. (b) If the natural abundance of Ag-107 is 51.84%, what is the natural abundance of Ag-109? (c) If the mass of Ag-107 is 106.905,

23. ## Chemistry

Naturally occurring copper contains a mixture of 69.09% copper-63 (63.9298 amu) and 30.91% copper-65 (64.9278 amu). What is the average atomic mass of copper?

24. ## Science

Natural rubidium has an average mass of 85.4678 amu and is composed of isotopes 85Rb (mass = 84.9117 amu) and 87Rb. The ratio of the isotopes 85Rb/87Rb in natural rubidium is 2.591. What is the mass of 87Rb? Let x be the fraction of the Rb atoms that are

25. ## Chemistry

Rubidium has two naturally occurring isotopes: 85Rb and 87Rb. The natural abundance of 85Rb is 72.165% and it has an isotopic mass of 84.9118 u. Calculate the isotopic mass of 87Rb

26. ## Chemistry

Naturally occurring boron is 80.20% boron-11 (of atomic mass 11.01 amu) and 19.80% of some other isotope form of boron. What must be the atomic mass of this second isotope in order to account for the 10.81 amu average atomic mass of boron? A. 10.99 amu B.

27. ## chemistry

the element boron has two naturally occurring isotopes with masses of 10.01amu and 11.01amu. What is the percent abundance of the first isotope.

28. ## chemistry

A hypothetical pure element consists entirely of two isotopes. The natural percent abun- dance of the isotope with mass 25.6 u is 47.2%. The other isotope has mass 29.7 u. Calculate the atomic weight of the naturally occurring element.

29. ## honors chem

naturally occurring boron is 80.20% boron 11 (atomic mass= 11.01amu) and 19.80% of some other isoptopic form of boron. what must the atmoci mass be be in order to account for the 10.81 amu averafe atomic mass of boron? round to two decimal places i got

30. ## Chemistry

A newly discovered element consists of 2 isotopes, one with a mass of 9.5 and a relative abundance of 17.2% and another with a mass of 2.2 and a relative abundance of 82.8%. Determine the atomic weight of the new element.

31. ## chemistry

Magnesium has three naturally occurring isotopes: Mg-24 with mass 24.3050 amu and a natural abundance of 78.99 %, Mg-25 with mass 24.9858 amu and a natural abundance of 10.00 %, and Mg-26 with mass 25.9826 amu and a natural abundance of 11.01 %. Calculate

32. ## Chemistry

Naturally occurring magnesium consists of Magnesium-24 (23.9850 amu; 78.99%), Magnesium-25 (24.9858 amu), and Magnesium-26 (25.9826 amu). Using the average atomic mass from the periodic table, calculate the closest percent abundance of Magnesuim-26. a)

33. ## Chemistry

Naturally occurring copper is a mixture of two isotopes. One of these has 34 neutrons the other has 36. If the relative atomic mass of copper is 63.55 amu calculate the natural abundances (percentages ) of the two isotopes.

34. ## Chemistry

Four isotopes of Lead occur naturally: 204Pb (mass = 203.973037 amu) 206Pb (mass = 205.974455 amu) 207Pb (mass = 206.975885 amu) 208Pb (mass = 207.976641 amu) If the percent abundance of 204Pb and 208Pb are 1.400 and 52.40, respectively, what is the

35. ## Chemistry

Three isotopes of Argon occur naturally: 36Ar (mass = 35.9675 amu) 38Ar (mass = 37.9627 amu) 40Ar (mass = 39.9624 amu) If the percent abundance of 36Ar is 0.3400, what is the percent abundance of 40Ar?

36. ## Chem

A newly discovered element, Mysternium (Atomic symbol My) has two isotopes and an average atomic mass of 296.7286 amu. One of the isotopes, My-296 has a natural abundance of 61.528% and has a mass value of 295.9064 amu. What is the mass of the second

37. ## chemistry

The element copper has naturally occuring isotopes with mass numbers of 63 and 65. The relative abundance atomic masses are 69.2% for mass=62.93 amu, and 30.8% for mass=64.93 amu. Calculate the average atomic mass of copper.

38. ## Chemistry

The element europium exists in nature as two isotopes: 151^Eu has a mass of 150.9196 amu, and 153^Eu has a mass of 152.9209 amu. The average atomic mass of europium is 151.96 amu. Calculate the relative abundance of the two europium isotopes.

39. ## chem

copper has two naturally occurring isotopes. Cu-63 has a mass of 62.939 amu and relative abundance of 69.17%. Use the atomic weight of copper to determine the mass of the other copper isotope. How do I do this? Atomic weight=62.939*.6917 + x (1-.6917)

40. ## Science (atoms) 8th grade

Chlorine has an average atomic mass of 35.45 amu. The 2 naturally occurring isotopes of chlorine are chlorine-35 and chlorine-37. Why does this indicate that most chlorine atoms contain 18 neutrons?

41. ## chemistry

there are 3 naturally occurring stable isotopes of oxygen:O-16,O-17, O-18. there are 2 naturally occurring stable isotopes of hydrogen: H-1, H-2.how many different water molecules can be made using the various combination's of all the isotopes of hydrogen

42. ## Chemistry

Theatomic mass of copper is 63.55.There are only two isotopes of copper , Cu-63 with a mass of 62.93 amu and Cu-65 w/ a mass of 64.93 amu. What is the percent of each of these two isotopes?

43. ## Chemistry

An unknown element Q has two known isotopes: 60Q and 63Q. If the average atomic mass is 60.5 amu, what are the relative percentages of the isotopes?

44. ## Chemistry

Magnesium has three isotopes, 24Mg, 25Mg and 26Mg . The relative abundance of the 26Mg isotope is 10%.The relative atomic mass of Mg is 24.3 . What is the relative abundance of the 24Mg isotope ?

45. ## Chemistry

Lead has four stable isotopes. ^204Pb (1.4%), ^206Pb (24.1%). ^207Pb (22.1%) and ^208Pb (52.4%). Find the atomic mass of ^208 Pb given that ^204Pb has an atomic mass of 203.973 amu, ^206Pb has an atomic mass of 205.974 amu, and ^207Pb has an atomic mass of

46. ## Chemistry

Magnesium has three naturally occurring isotopes: 24 Mg (23.985 amu) with 78.99% abundance, 25 Mg (24.986 amu) with 10.00% abundance, and a third with 11.01% abundance. Look up the atomic mass of magnesium, and then calculate the mass of the third isotope.

47. ## Chemistry

1. A hypothetical pure element consists entirely of two isotopes. The natural percent abundance of the isotope with mass 25.5 u is 86.1%. The other isotope has mass 29.2 u. Calculate the atomic weight of the naturally occurring element. 2. Suppose that a

48. ## chemistry

There are two naturally occurring isotopes of copper. 63Cu has a mass of 62.9296 amu. 65Cu has a mass of 64.9278 amu. Determine the abundance of each isotope.

49. ## science

The atomic mass of lithium is 6.94, the naturally occurring isotopes are 6Li = 6.015121 amu, and 7Li = 7.016003 amu. Determine the percent abundance of each isotope.

50. ## Chemistry

There are three naturally occurring isotopes of the hypothetical element hilarium 41Hi, 42Hi, and 44Hi. The percentages of these isotopes are the following: Hilarium Natural Isotopes Abundance 41Hi 18.7% 42Hi 43.6% 44Hi 37.7% You can assume that the atomic

51. ## CHEM

Magnesium has an average atomic mass of 24.3068 amu and has three isotopes: 24Mg(23.985045 amu), 25 Mg (24.985839 amu) and 26 Mg(25.982595 amu) The 26 Mg isotope has an abundance of 11.1%. what are the abundances of the other two isotopes. Please show work

52. ## Chemistry

Bromine has two naturally occurring isotopes, the first of which is 79Br with a mass of 78.904 amu and an abundance of 50.54%. Calculate the mass of the other isotope.

53. ## Chemistry

Three isotopes of Neon occur naturally: 20Ne (mass = 19.9924 amu) 21Ne (mass = 20.9938 amu) 22Ne (mass = 21.9914 amu) If the percent abundance of 21Ne is 0.2600, what is the percent abundance of 20Ne? How do I set up for these type of problems. I tried

54. ## chemistry

Copper has two naturally occurring isotopes. Cu-63 has a mass of 62.939 amu and relative abundance of 69.17%. Use the atomic weight of copper to determine the mass of the other copper isotope.

55. ## chemistry

there are two naturally occurring isotopes of the element zinc. the relative abundance and mass of each are as follow 64 30zn=48.89% 63.929 amu 66 30zn=27.81% 65.926 is it 0.4889(63.929)+027.81(65.926) divide by 2?

56. ## Chemistry

On Earth, naturally occurring calcium metal contains 6 isotopes: Ca-40, Ca-42, Ca-43, Ca-44, Ca-46, Ca-48. Select all of the following that are true for a sample of naturally occurring calcium. A) The average mass of the calcium atoms is 40.078 amu. B)One

57. ## Organic Chemsitry

By knowing the natural abundance of minor isotopes, it's possible to calculate the relative heights of M+ and M+1 peaks. If natural abundances are 12C - 98.9% and 13C - 1.10%, what are the relative heights, to the nearest 0.1%, of the M+ and M+1 peaks in

58. ## Chemistry

A hypothetical pure element consists entirely of two isotopes. The natural percent abundance of the isotope with mass 25.5 u is 78.8 percent. The other isotope has mass 29.5 u. Calculate the atomic weight of the naturally occurring element.

59. ## O Chem

By knowing the natural abundance of minor isotopes, it's possible to calculate the relative heights of M+ and M+1 peaks. If natural abundances are 12C - 98.9% and 13C - 1.10%, what are the relative heights, to the nearest 0.1%, of the M+ and M+1 peaks in

60. ## chemistry

The atomic mass of chlorine is listed as 35.454 amu on the periodic table. It has two naturally occurring isotopes, CI-35 and CI-37. What are the approximate percentage of each?

61. ## chemistry

there are 5 naturally occurring isotopes of the element zinc. the relative abundance and mass of each are as follow 64 30zn=48.89% 63.929 amu 66 30zn=27.81% 65.926 67 30zn=4.11% 66.927 68 30zn = 18.57% 67.925 70 30zn = 0.62% 69.925 find the average atomic

62. ## Chemistry

The atomic mass of chlorine is listed as 35.454 amu on the periodic table. It has two naturally occurring isotopes, Cl-35 and Cl-37. What are the approximate percentages of each? I have no idea how to figure out the percentages for this. I know how to

63. ## Chemistry (percent abundance) *emergency*

If the average atomic mass of Br is 79.90 amu, what is the percent abundance of each of its isotopes? How would we figure out the isotopes first before we calculate the percent abundance??

64. ## chemistry

Calculate the atomic mass of naturally occurring molybdenum (Mo) which contains the following isotopes. Isotope Abundance (%) Atomic mass (a.u.) 92Mo 15.8 91.91 94Mo 9.0 93.90 95Mo 15.7 94.91 96Mo 16.5 95.91 97Mo 9.5 96.91 98Mo 23.5 97.91 100Mo 9.7 99.91

65. ## Chemistry

Congratulations! You have discovered a new element called Bhauzium (Bz). The average atomic mass of Bz was found to be 348.72 amu and its atomic number is 123. a) if the atomic masses of three isotopes of Bhsuzium are 342.92 amu, 356.43 amu (6.52%), and

66. ## chemistry

The element rhenium (Re) has two naturally occurring isotopes, 185Re and 187Re, with an average atomic mass of 186.207 amu. Rhenium is 62.60% 187Re, and the atomic mass of 187Re is 186.956 amu. Calculate the mass of 185Re. (Give your answer to 3 decimal

67. ## Chemistry

Bromine has two naturally occurring isotopes. Bromine-79 has a mass of 78.918 amu (atomic mass unit) and is 50.69% abundant. Using the atomic mass reported on the periodic table, determine the mass of bromine-81, the other isotope of bromine.

68. ## Chem

There are two stable isotopes of Gallium Their masses are 68.92558 and 70.9247050 AMU. If the average atomic mass of gallium is 69.7231, what is the natural abundance of the lighter isotope? I don't know where to start!

69. ## Chemistry

An element consists of two isotopes of mass 36.4681 and 43.59612 amu. If the average atomic mass of the element is 40.741 amu, calculate the percent abundance of the first isotope.

70. ## chem

(b) If the natural abundance of Ag-107 is 51.84%, what is the natural abundance of Ag-109? 48.16 % (c) If the mass of Ag-107 is 106.905, what is the mass of Ag-109? 108.9 amu so i got the answers correct but kinda forgot how because it took me a while so

71. ## Chemistry

The relative atomic mass of natural lithium is 6.95 it consist of two isotopes of relative masses 6.02 7.02 calculate the natural abundance of the isotopes

72. ## chemistry

A hypothetical pure element consists entirely of two isotopes. The natural percent abun- dance of theisotopewithmass 25.4 uis 82.6%. The other isotope has mass 29.5 u. Calculate the atomic weight of the naturally occurring element.

73. ## Chemistry

The isotopic abundance of naturally occurring hydrogen is as follows: 1H 99.985 atom % 2H 0.015 atom% When H2 gas is formed from naturally occurring hydrogen, what percentages of the molecules have molecular weights of approximately 2, 3 and 4?

74. ## Chem

(b) If the natural abundance of Ag-107 is 51.84%, what is the natural abundance of Ag-109? % (c) If the mass of Ag-107 is 106.905, what is the mass of Ag-109? amu I really need help. Can u say the answer then explain how you got it? Thanks:)

75. ## chemistry

A hypothetical element has three main iso- topes with mass numbers of 81, 83, and 84. If 17.00% of the isotopes have a mass number of 81 amu and 35.00% of the isotopes have a mass of 83 amu, what atomic weight should be listed on the periodic table for

76. ## Chemistry

How would I solve this: The atomic mass of 6/3Li and 7/3Li are 6.0151 amu and 7.0160 amu, respectively. Calculate the natural abundances of these 2 isotopes. The average atomic mass of Li is 6.941. All I know is how to get the atomic mass and not the

77. ## chemistry

A hypothetical element has two main iso- topes. One has a mass of 35 amu and the other has a mass of 37 amu. If the atomic weight of this element is 35.55 amu, what is the percent abundance of the 37 amu isotope?

78. ## chemistry

Calculate the atomic weight (in amu) of an element (X) given the following data: : 24.000 amu at 0.7870 fractional abundance : 26.000 amu at 0.1017 fractional abundance : 25.000 amu at 0.1113 fractional abundance

79. ## chemistry

A hypothetical element has two main isotopes with mass numbers of 71 and 74. If 80.00% of the isotopes have a mass number of 71 amu, what atomic weight should be listed on the periodic table for this element? (answer in AMU).

80. ## CHEMISTRY HELP !!!!

Which of the following statements is/are CORRECT? 1. Naturally occurring isotopes account for only a small fraction of known radioactive isotopes. 2. A few radioactive isotopes with long half-lives, such as U-235 and U-238, are found in nature. 3. Trace

81. ## Chemistry

I just need help with this one question, and then once I know how to do the steps, I think can do the others. --- The average atomic mass of argon is 39.95 u. Natural argon contains three isotopes: Ar-36 (35.967 u), Ar-38 (37.962 u)& Ar-40 (39.962 u). If

82. ## Chemistry

A new element, Canadium, not found on earth, contains 3 isotopes. given the following information, calculate the atomic mass of Canadium. Isotope Mass (amu) % abundance 1 429.633 21.29 2 429.121 42.47 3 429.398 ?

83. ## Ap Chemistry

Re has two natural occuring isotopes 185 Re and 187 Re with an average atomic mass of 186.207 amu. Re is 62.60% 187Re and the atomic mass of 187Re is 186.956 amu. What is the mass of 185 Re

84. ## Chemistry

Chlorine has two isotopes with mass number 35 and 37. Calculate the relative abundance of the two isotopes accounting for normal atomic mass of 35.5

85. ## Chemistry

Silver has an average atomic mass of 107.9 u and is known to have only two naturally occurring isotopes. If 51.84% of Ag exists as Ag-107 (106.9051 u), what is the identity and the atomic mass of the other isotope?

86. ## chemistry

Calculate the atomic weight of an element (X) given the following information: 26X: 26.000 amu at 0.1102 fractional abundance 28X: 28.000 amu at 0.6487 fractional abundance 29X: 29.000 amu at 0.2411 fractional abundance What element might the above problem

87. ## Chemistry

How is this question done? The percent abundance of deuterium (2H isotope) in naturally occurring hydrogen is 1.4x10¯2 mole %. What mass, in g, of deuterium would be present in one mole of C6H12O6?

88. ## chemistry

Element x is composed of isotopes x-56 mass 56.0 u and x-59 mass 59.0 u. What is the percentage abundance of each of these isotopes if the atomic mass is 57.3 u?

89. ## chemistry

Naturally occuring chlorine gas has 3 isotopes 35cl-35cl, 35cl-37cl , 37cl-37cl a) mass of one molecule in terms of amu. b) mass of one molecule in terms of grams. c) mass of one mole in terms of grams. d) Naturally occuring Cl has 75% 35cl and 25% 37cl,

90. ## chemistry

Naturally occuring chlorine gas has 3 isotopes 35cl-35cl, 35cl-37cl , 37cl-37cl a) mass of one molecule in terms of amu. b) mass of one molecule in terms of grams. c) mass of one mole in terms of grams. d) Naturally occuring Cl has 75% 35cl and 25% 37cl,

91. ## chemistry

This is a lengthy problem, but I really don't understand it. Any assistance given would be greatly appreciated. An analysis was done on a rock sample to determine its rubidium content. The rubidium content of a portion of rock weighing .350g was extracted,

92. ## Chemistry

An unknown element Q has two known isotopes: 61Q and 62Q. If the average atomic mass is 61.4 amu, what are the relative percentages of the isotopes?

93. ## Chemistry

An unknown element Q has two known isotopes: 60Q and 63Q. If the average atomic mass is 60.5 amu, what are the relative percentages of the isotopes?

94. ## Chemistry

An unknown element Q has two known isotopes: 60Q and 63Q. If the average atomic mass is 62.0 amu, what are the relative percentages of the isotopes?

95. ## Science

A hypothetical element has two main isotopes with mass numbers of 56 and 59. If 61.00% of the isotopes have a mass number of 56 amu, what atomic weight should be listed on the periodic table for this element?

96. ## science

A hypothetical element has two main isotopes with mass numbers of 80 and 83. If 68.00% of the isotopes have a mass number of 80 amu, what atomic weight should be listed on the periodic table for this element?

97. ## first year chem

There are two naturally occurring isotopes of chlorine with ratios of 76% and 24%. One mole of PCl3 is made using a sample of isotopically pure chlorine gas (containing only one of the two isotopes). The product weighs 142 g. If chlorine gas containing the

98. ## Chemistry

Element L has an average atomic mass of 54.2488 amu and is composed of two isotopes. The first has a mass of 55.2036 amu and makes up 41.030% of a standard sample. What is the mass of the second isotope? I under how to get average atomic mass but not sure

99. ## Science

Describe what makes a mineral unique from other substances. This is (my answer) Its not a lot tho :( Answer:A mineral is a natural occurring crystalline. Minerals are naturally occurring. PLS HELP It's worth 4 points.

100. ## Science

1. Which of the following is the correct definition of minerals? A) A naturally occurring, inorganic solid that has a crystal shape and definite chemical composition. B) A naturally occurring, inorganic solid that forms through crystallization of melted