Ask questions and get helpful responses.

Hydrogen is in Group 1 of the periodic table. Which kind of bond would form between two hydrogens? (1 point) O A covalent bond would form because the electron would be shared so both hydrogens have a full, stable shell.

45,324 results
  1. Science

    Hydrogen is in Group 1 of the periodic table. Which kind of bond would form between two hydrogens? (1 point) O A covalent bond would form because the electron would be shared so both hydrogens have a full, stable shell. O An ionic bond would form because
  2. HELP! EMERGENCY!!!

    The elements of which of these groups on the periodic table are most resistant to forming compounds? A. Group 1 B. Group 9 C. Group 14 D. Group 17 Look on your periodic table at the noble elements also referred to as the inert gases. If you don't have a
  3. biology/science

    Oxygen attracts electrons more strongly than hydrogen does. What kind of bond forms between the two hydrogen atoms and single oxygen atom that form a water molecule? A. A metallic bond B. A hydrogen bond C. An ionic bond D. A polar bond Currently stuck
  4. Chemistry

    Why is the Ge-F bond energy so much more than the Ge-Cl bond energy? 1. Covalent bond energies generally increase as you go down the periodic table 2. Covalent bond energies generally decrease as you go down the periodic table 3. The Ge-F bond is more
  5. chemistry

    Group 1 elements have an average electronegativity of 0.84 (not including hydrogen). Group 17 elements have an average electronegativity of 2.99. These two groups often form bonds. Given this information, which kind of bond will they likely form (ionic or
  6. Science....HURRY! Please respond ASAP!!!!

    0=X=0 The model above shows how an unidentified element, X, forms covalent bonds with oxygen. In which group on the periodic table does Element X most likely belong? A. Group 6 B. Group 12 C. Group 14 D. Group 18 I think it is either C or D. So X must be a
  7. Chemistry

    I have two questions: 1. Which group in the periodic table reacts with H2 to form compounds with the general formula MH2? A. Group 1A B. Group 2A C. Group 3A D. Group 4A E. Group 5A 2.Which reacts with F2 to form compounds with the general formula MF2? A.
  8. Science

    1. Which of the following is true about photosynthesis? A) It is an exothermic reaction. B) It is an endothermic reaction.** C) It produces carbon dioxide. D) It occurs in animals. 2. Atomic theory is A) subject to change if new information is discovered.
  9. Physical Science

    Please let me know if my answers are correct! (1)How did the study of the atom contribute to our understanding of the periodic table of the elements? Elements are made of atoms, so understanding atoms provided information about elements, which led to the
  10. Chemistry

    Why do the bond energies decrease in the order Ge-Cl, Ge-Br, Ge-I? 1. Covalent bond energies generally increase as you go down the periodic table 2. Covalent bond energies generally decrease as you go down the periodic table 3.Ionic bond energies generally
  11. Chemistry

    In the Periodic Table, why does Group 2 and 17 bond together so easily? ~thanks
  12. Chemistry

    xplain why the value of the band gap energy, Eg, decreases in the following homologous series: Cdiamond=5.4 eV; Si=1.1 eV; Ge=0.72eV; Sn=0.08 eV. As we move down the group, bond strength increases. As the strength increases, materials become more metallic
  13. science

    1. which of the following is true about phtosynthesis? a. it is an exothermic reaction b. it is an endothermic reaction c. it produces carbon dioxide* d. it occurs in animals 2. atomic theory is a. subject to change if new information is discovered b. a
  14. Science

    How did the study of the atom contribute to our understanding of the periodic table of the elements?(1 point) Experiments that identified characteristics of atoms provided scientists with atomic weights and atomic numbers, which were used to organize the
  15. Science-Periodic Table

    Where r the elements that form ions with a positive charge located? where r the elements that form ions with a negative charge located? can someone please briefly explain this whole positive and negative charge thing to me. I kind of get it, but the
  16. science help check

    3. A metal from group 1 and a nonmetal from group 17 are? A. Not likely to bond B. Likely to form a covalent bond C. Likely to form a ionic bond D. Likely to form a metalloid is it c pls help me
  17. Science

    A metal from group 1 and a nonmetal from group 17 are? A. Not likely to bond. B. Likely to form a covalent bond. C. Likely to form an ionic bond.*** D. Likely to form a metalloid. Is this correct?
  18. science help

    a metal from group 1 and a nonmetal from group 17 are 1.) not likely to bond 2.) likely to form a covalent bond 3.) likely to form an ionic bond 4.) likely to form a metalloid is it 3 pls help me
  19. chemistry

    When will hydrogen bonding occur?Give an example of liquid other than H2O in which this type of force is important. In order for a hydrogen bond to occur there must be both a hydrogen donor and an acceptor present. The donor in a hydrogen bond is the atom
  20. chemistry

    A chemical reaction produces formaldehyde, with a chemical formula of CH2O. Carbon is in Group 4A, oxygen is in Group 6A, and hydrogen is in Group 1A on the periodic table. In one to two sentences, describe the bonds in a molecule of formaldehyde in terms
  21. Chemistry

    What is the difference between a group and a period in the periodic table? A: The difference between a group and a period in the periodic table is that a group is each column/family with similar properties and a period is each row going up from charges 1+.
  22. Science

    A metal from group 1 and a nonmemtal from group 17 are A.not likely to bond B. Likely to form a covalent bond C. Likely to form a ionic bond** D. Likely to form a metalloid I think it's c am I right?
  23. Chemistry

    What is the valency of selenium in hydrogen selenide? Consider what selenium's group is in the periodic table. There is oxygen and sulfur, right? Selenium will the same as those. The all have the same basic formula with hydrogen. What's that very common
  24. Chemistry

    Nickel (Ni) is an element found in Group 10 of the periodic table of elements (see periodic table at the top of this quiz). Based on its location in the periodic table, which of these is a property of nickel? A Low density B Strong semi conductor C Highly
  25. chemistry

    Which of these elements has the electonic configuration of The energy absorbed or released when an electron is added to a gaseous atom is known as Which of these elements behave partly as an alkaline metal as well as a halogen element? Hydrogen can be
  26. Chemistry (2 questions)

    1. What kinds of bonds will most likely form from groups 1,2,3,6,7, and 8 on the periodic table? 2. What kinds of bonds will most likely form from group 4 on the periodic table?
  27. Science

    To form an oxygen molecule (O2), two oxygen atoms share two pairs of electrons. What kind of bond is shown by this? Select all which apply. Ionic Bond Single Bond Double Bond Covalent Bond Triple Bond C and D?
  28. Chemistry

    The chemical potential energy of bond A is greater than the chemical potential energy of bond B. Which statement best explains this observation?(1 point) a-The atoms in bond A are larger than the atoms in bond B. b-The atoms in bond A have fewer bonds
  29. Chemistry

    Use the periodic table and example bond table to answer the question. Example Bond Energies of Ionic Compounds: Li-F = 1036 kJ/mol Li-Br = 807 kJ/mol Na-F = 923 kJ/mol Na-Br = 747 kJ/mol Given the general trend with bond energies, which compounds would
  30. chemistry

    just take H2O AND CH3CH2OH as example.why say that h2o can form two hydrogen bond per molecule but CH3CH2OH only one.i am confused as both of them also has two lone pairs per molecule,is it true that one hydrogen atom will result in only one hydrogen bond
  31. science help.. pls help me dr.bob22

    A metal from group 1 and a nonmetal from group 17 are? A. Not likely to bond B. Likely to form a covalent bond C. Likely to form a ionic bond D. Likely to form a metalloid is it c pls help me pls help me
  32. Chemistry

    When looking at the Periodic Table, the oxidation state of hydrogen is +1; however my teacher told me that the net charge of hydrogen is 0. I do not understand why this is? Also, How may one calculate the charge of an element if only given the number of
  33. Chemistry (bond energies)

    Why is it possible to have an accurate value of the energy of a hydrogen-hydrogen bond, but not of a carbon-oxygen bond? I know carbon and oxygen can form both double and single bonds, and hydrogen can only form single bonds. But apparently C=O has two
  34. Science Help!

    Two nonmetals from Group 16 are likely to form a(n) A. Metalic bond. B. Double bond C. Ionic bond D. Covalent bond Is the answer C? Thank you
  35. sci

    Two nonmetals from Group 16 are likely to form a(n) • metallic bond. • double bond. • ionic bond. • covalent bond.
  36. chemistry

    Hello, Why dose hydrogen hasn't the characterize of the metals. Hydrogen stands in the first group of the product table A1. Although we know the elements of one group have similar propriety from each other. So, why there aren't any of hydrogen crystals
  37. cHEMISTRY

    GIVE THE EMPIRICAL FORMULAE OF THE HIGHEST HYDRIDE AND HIGHEST FLUORIDE OF UNUNHEXIUM, EXPLAINING HOW YOU ARRIVED AT YOUR CONCLUSIONS Here is the web site for a very good periodic table. Look for element #116, Uuh. Elements in the periodic table have
  38. chemistry

    Can someone please help me with these? How many electrons would Nitrogen, Aluminum, and Bromine gain or lose? Look at the periodic table and find N, Al, and Br. You should find N in group VA (or 15 depending on the system being used), Al in IIIA (or 13),
  39. Chemistry

    Which group in the periodic table (1A... 5A) reacts with H2 to form compounds with the general formula MH2? Which reacts with F2 to form compounds with the general formula MF2? Any help would be great, thanks. Wouldn't Group IIa fit this bill?
  40. Chemistry-10th grade

    Hi! Good morning! I was suppose to turn in this test yesterday. Can You please help me with these last two essay questions. The first one I got the answer, just please tell me if it is correct and the second I don't know the answer. Please help ASAP! Thank
  41. chemistry

    A non-metal element which lies in the third row of the Periodic Table forms a gaseous compound H2Y with hydrogen and the compound Li2Y with lithium, which has a solid crystalline structure and a high melting point (greater than 900 °C). • A non-metal
  42. chemistry

    the alkali metals are a group of oxidation metals that decrease in melting point down the group. Halogens are non-metals that get coloured in colour and less reactive down the group. the transition elements in the middle of the periodic table. hey are
  43. Science!

    To form an oxygen molecule (O little 2) two oxygen atoms share two pairs of electrons. What kind of bonds shown below by the electron dot diagram of O little 2? Choose all that apply. Diagram . . . . O = O . . . . A. Covalent bond B. Ionic bond C. Single
  44. chemistry

    how many groups (families) are there n the periodic table how many elements are in your periodic table what is the basic theme of organization in the periodic table
  45. PLEASE read over essay

    I did this for chemistry. Are the examples and grammar correct? THANK YOU SO MUCH TO WHOEVER ACTUALLY TAKES THE TIME TO READ THIS I LOVE YOU OMG. Naming Chemical Compounds By: Bryce R The periodic table is made up of the most simplest and complex elements.
  46. Science

    The Periodic Table 1) What conclusions can be drawn about the relationship between the arrangement of elements on the periodic table and the patterns observed in their properties? :Properties of elements are related to atomic numbers.*** :Properties of
  47. biology

    Which of the following bond types is Fexofenadine capable of forming with a suitable partner molecule? Indicate your answer by checking "Yes" or "No" as appropriate. Bond type Can Fexofenadine form this bond? Hydrogen Bond Ionic Bond van der Waals forces
  48. URGENT!!!!!! science.....hurry!!!! please

    The elements from which of the following groups are most liekly to react with potassium(K)? A. Group 2 B. Group 7 C. Group 13 D. Group 17 I think it is either A or D. Look at your periodic table. www.webelements.com K is a metal. It will react with
  49. chemistry

    give the formular of the highest hydride and highest flouride of ununhexium and explain how you arrived at your answer You can find Uuh in the periodic table. Placement of Uuh in the periodic table will tell you that the chemistry will be similar to the
  50. 8th grade science

    1.) How does reading across a periodic table compare and contrast with reading down a group on the periodic table?
  51. 8th grade science

    1.) How does reading across a periodic table compare and contrast with reading down a group on the periodic table?
  52. Chemistry

    Which element listed should have chemical properties similar to fluorine (F) A.Li B.Si C.Br D.Ne Br, along with F, a halogen (column 7 of the periodic table) Look at the periodic table. The columns are called groups. Elements in the same group have similar
  53. chemistry

    Read the two statements below about the compounds H2Y, Li2Y, HZ and KZ and then answer the questions that follow: A non-metal element which lies in the third row of the Periodic Table forms a gaseous compound H2Y with hydrogen and the compound Li2Y with
  54. Chemistry

    You do it by finding Uuh in the periodic table and knowing that it will have chemical properties that are similar to those in the group with it. Here is a periodic table on the web. Find element #116 and observe the other elements in the same group (O, S,
  55. Science

    Unit 3 Periodic Table Remediation Group 2 elements like Be, Mg, ... are called alkaline earth metals. They exhibit similar chemical properties. Which of the following characteristics is responsible for the common chemical behavior of elements in any group
  56. science

    how is the periodic table connected to science? how is the periodic table connected to math? how is the periodic table connected to the world? how is the periodic table connected to you? why is the periodic table important?
  57. Chemistry

    Which element would have a full outer shell of electrons if it gained three electrons? boron lithium nitrogen argon THIS ONE Which statement best explains why hydrogen's atomic number is equal to its mass? hydrogen is in the first row and the first column
  58. Chemistry

    Which group of the periodic table of elements forms only 1+ ions? Answer is group 1A. Why?
  59. S.O.S.

    predict where an unknown element that has the properties would fit in the periodic table:it is has properties of a semimetal. and has somewhat reactive. A.group 1&2 B.group 18 C.the stair-step of line elements D.group 11&12
  60. Chemistry

    According to the Star Trek "Fifth Interstellar Geophysical Conference Standard" version of the periodic table, there are 140 known elements. In what group of the periodic table would you place element 117, "topaline" which is reported to have been
  61. biology

    If you ate a jelly doughnut for breakfast, the majority of the energy would come from the _________ in the doughnut because it _________. A. fat; contains a low ratio of oxygen atoms. B. sugar; contains high ratio of oxygen atoms. C. carbohydrate; contains
  62. Chemistry

    The elements of which group in the periodic table release the most energy by gaining an electron? The elements of which group in the periodic table absorb the most energy when gaining an electron?
  63. Science

    The top row of transition metals in the middle of the periodic table have electronegativities ranging from 1.4 to 1.9. Which kind of bond are these metals likely to form with one another, and why? 1) They are likely to form covalent bonds because the
  64. chemistry

    The "Chemistry in Focus" segment A Magnetic Moment discusses the ability to levitate a frog in a magnetic field because electrons, when sensing a strong magnetic field, respond by opposing it. This is called diamagnetism. Atoms that are diamagnetic have
  65. Chemistry

    Can somebody check my answers 1. If a small piece of sodium is dropped into water, it begins to react, forming hydrogen gas and sodium hydroxide. In the equation, 2Na (s) + 2H2O (l) → 2NaOH (aq) + H2 (g), the sodium hydroxide that is formed is a A.
  66. Chemistry (Check)

    Completion is these correct. I can't figure out 5,7,8,9.. 1)equally 2)Non-polar 3)un equally 4)polar bond 5) 6)clipore interactions 7) 8) 9) When atoms are joined by a covalent bond, the bonding electrons are shared ___1____, and the bond is ___2___. When
  67. Science

    A scientisit performs tests on a sample of an element. The element is shiny solid that conducts electricity and heat. The scientist is able to bend and flatten the sample when pressure is applied to it. Based on this information, the element could NOT be a
  68. chemistry

    Select all substances with an acceptor atom that can hydrogen bond to a hydrogen atom that is part of a polar covalent bond. I2 diiodine HI hydrogen iodide KrF4 krypton tetrafluoride O2 dioxygen C6H6 benzene HCl hydrogen chloride None
  69. Chemistry (Check)

    The bond strengths of the compounds HF, HCl, HBr, and HI are as follows: compound bond strength, kJ/mol HF 569.87 HCl 431.62 HBr 366.35 HI 298.407 Briefly explain why the bond strengths are ranked in this order. My guess is: They are ranked in this order
  70. BIOLOGY

    Can TAMIFLU form a hydrogen bond with another molecule? Can TAMIFLU form a ionic bond with another molecule? Can TAMIFLU form a van der Waals forces bond with another molecule?
  71. Chemistry

    Which of the following is a bond in which a metal transfers one or more electrons to a nonmetal? ionic bond hydrogen bond metallic bond covalent bond
  72. Science

    What is the first element on the periodic table? Hydrogen?
  73. chemistry

    in a 300-500 word essay distinguish between an ionic bond, a covalent bond, hydrogen bond, a single bond, a double bond, and a triple bond. Explain the behavior of the electrons in each type of bond. Give examples of compounds that result from both ionic
  74. chem

    why is hydrogen gas placed in the 1A column of the periodic table?
  75. Chemisty

    Please help!!! I don’t understand how to do these! A walk thru would be perfect for both, thanks!!! 18.) A chemical reaction produces formaldehyde with a chemical formula of CH2O. Carbon is in group for a oxygen is in group 6A and hydrogen is in group 1A
  76. Physical Science

    Can anyone explain why covalent bonds are formed when nonmetals from the right side of the periodic table bond with each other with some examples?
  77. Chemistry

    I have to make a game based on the periodic table Here are the standards we could put in the game: Students know how to relate the position of an element in the periodic table for it's atomic number and mass Students know how to use the periodic table to
  78. chemistry

    I am a freshman in college, and am taking a placement test soon, but haven't seen chemistry since 10th grade. I'd appreciate any help I can get from anyone here to help me solve this problem: Hydrogen and sulfur chemically combine to form the gas hydrogen
  79. Chemistry

    Water has an extremely high boiling point compared to other compounds of similar molar mass because of ? Hydrogen Bond Adhesive force Covalent bonding Dispersion Forces I believe the answer is A since hydrogen bond is a strong bond and thus require most
  80. Science

    1) Which of the following is true about photosynthesis? A. It is an exothermic reaction B.It is a endothermic reaction ***** C.It produces carbon dioxide D. It occurs in animals 2) Atomic Theory is A.Subject to change if new information is discovered B.A
  81. Chemistry;Check?!

    Can you check these? Strong attractive forces that keep atoms connected together are called _____. A. valence electrons B. chemical bonds C. cations D. anions Which of the following is NOT a type of bonding that occurs between atoms? A. covalent bonding B.
  82. physical science

    The ionization energies of Li, Na, K, Rb, and Cs are respectively 5.4, 5.1, 4.3, 4.2, and 3.9 eV. All are in Group 1 of the periodic table. Explain the decrease in ionization energy with increasing atomic number in this group.
  83. science

    what is so special about the elements in Group 8 on the Periodic table?
  84. Chemistry

    What group of elements were not on the original periodic table
  85. Science

    12. How can you describe the location of Gold (Au, Atomic Number 79) on the periodic table . Choose two options * A. Matalloid B. Group 11, Period 6 C. Group 6, Period 11 D. Metal I think the answer is a
  86. Chemistry

    What are the 4 categories included in the Periodic Table? There are many ways to categorize elements. I am uncertain how you got just four. The Originator of the four concepts did it this way... http://elements.vanderkrogt.net/chemical_symbols.html Maybe
  87. science

    Why is the periodic table usually drawn with hydrogen (H) separated from the rest of the elements?
  88. science

    1. Why is the periodic table usually drawn with hydrogen (H) separated from the rest of the elements?
  89. Science

    When elements in the same group form molecules, the number of outer-shell electrons involved is the same and so the number of bonds forming the molecule is the same roo. Eg. Every element in group 2 (groupII) is a solid metal. When these elements bond with
  90. honors chemistry

    Compare the present Periodic Table with Mendeleevs original Periodic Table in terms of how it is organized, number of elements, what it looks like, ease of understanding, and information given.
  91. science

    what is neon on the Periodic Table Of Elements? Ne is a gas. Element #10 on the periodic table. For more information on Ne look at www.webelements.com
  92. Chem

    Why do elements within a group (family or column) in the Periodic Table exhibit similar chemical behavior? A They all have the same number of protons. B Within a group, the atoms are the same size. C The number of electrons in their outermost shells is the
  93. Chemistry - Periodic Table+Cations(check+help)

    On which side of the periodic table would you find an element whose atom is likely to form a cation? Which atom property is related to this question? Ans: is it the right side of the periodic table that you would find the elements whose atom are likely to
  94. Chemistry - Periodic Table+Cations(check+help)

    On which side of the periodic table would you find an element whose atom is likely to form a cation? Which atom property is related to this question? Ans: is it the right side of the periodic table that you would find the elements whose atom are likely to
  95. biology

    what kind of bond holds the hydrogen to the oxygen in one water molecule??
  96. chemistry

    assuming the valencies of hydrogen nitrogen and carbon are 1,3,and 4. i need to draw a structural formulae for hydrogen cyanide and cyanogen that are consistant with these values H(triple bond)C-N N(triple bond)C-C(triple bond)N
  97. Physics

    I am confused, selenium Se, is on the periodic table, but does it combine with other elements on the periodic table? I want to say no because it is a gas. Is that correct.
  98. PLEASE HELP BIO

    If the side chain of a glutamic acid residue has a pKa of 4.1, at pH 6.1 the ratio of uncharged to charged side chain would be about A. 100:1 B. 10:1 C. 1:1 D. 1:10 E. 1:100 -i HAVE NO IDEA Which of the following amino acids has a side chain that can serve
  99. science help

    How can you describe the location of hafnium (Hf, atomic number 72) on the periodic table? choose all that apply. -Transition metals -noble gases -group 6, period 4 -group 4, period 6 pls help me damon or ms sue
  100. chemistry 2

    Which group from the periodic table contains two elements that exhibit +2 and +4 oxidation states? 1A, 2A, 3A, 4A, 5A, 6A OR 7A 4A. C, Sn, Pb That it 2A and 4A

Pages

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 13
  14. 14
  15. 15
  16. 16
  17. 17
  18. 18
  19. 19
  20. 20