Describe the role of each of the following types of bonds in a polyamide: a) covalent bonds

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  1. biology

    which of the following statements are true there are 2 polar covalent bonds in water there are 3 ionic bonds in water there is 1 ionic and 1 covalent bond in water electrons are less attracted to oxygen than hydrogen

  2. Chemistry

    In a methane molecule (CH4) there are 4 single covalent bonds. In an octane molecule (C8H18) there are 25 single covalent bonds. How does the number of bonds affect the dispersion forces in samples of methane and octane? Which compound is a gas at room

  3. Science

    1. An atom that loses or gains electrons is called a(n)____. isotope proton neutron ion*** 2.Which subatomic particles are most involved in chemical bonding? protons electrons*** neutrons isotopes 3.The main types of chemical bonds are___. ionic, covalent,

  4. Science 6

    during the process of photosynthesis, plants convert carbon dioxide and water into glucose. Covalent bonds hold the glucose molecules together. the energy stored in these covalent bonds is called? A:nuclear energy. B:thermal energy. C:electrical energy.

  5. Chemistry

    Magnesium nitrate contains chemical bonds that are ? 1. Covalent Only 2. Ionic Only 3. Both Covalent And Ionic 4. Neither Covalent Nor Ionic The answer is 3, but I don't know why. How does NO3 even bond?

  6. CHM

    Predict whether the following bonds are ionic, covalent, or polar covalent based on the bonding atoms electronegativities: N2 The Al-O bond in Al2O3 MgO CuS

  7. chemistry

    Covalent bonds are formed when two atoms share electrons. The pairs of electrons which are shared between atoms and hence number of covalent bonds, can be represented by the number of lines drawn between the symbols for the atoms. For example, a single

  8. SCIENCE

    Please see if I have the right answer. The three atoms in a water molecule are held together by oxygen bonds, covalent bond, surface tension, hydrogen bonds, or gravity. I think it's covalent bonds. Am I right? Water molecules, even inflowing water, can

  9. chemistry

    Indicate the number of covalent bonds that each nonmetal atom is expected to form. a. Se is expected to form 2 covalent bonds. b. H is expected to form 1 covalent bonds. c. Br is expected to form 1 covalent bonds. d. N is expected to form 3 covalent bonds.

  10. Chemistry

    Ionic bonds and covalent bonds: Ionic Bond(s) for: K&S -> K2S N&Be -> Be3N2 Al&P -> AlP Covalent Bond(s) for: C&F -> CF4 S&O -> OS Cl&Se -> SeCl4

  11. chemistry

    What are the differences between ionic bonds and covalent bonds?

  12. Chemistry PLZ HELP!!!!!

    Tell whether the bonds between the following atoms are polar covalent or pure covalent bonds. a. Si-Si b. H-O c. C-H d. C-O e. Cl-F f. Cl-Cl g. N-H h. O-O

  13. chemistry

    Predict the number of covalent bonds formed by each nonmetal atom. a. N-----3 bonds b. Cl-----1 bond c. S-----2 bonds

  14. SCIENCE

    What type of bonding holds the compound, sodium cyanide, together? The CN bond is covalent. The Na to CN bond is, in most minds, an ionic bond. The electronegativity of C is about 2.1 and that of Na is about 1; therefore, with a difference of about 1 it is

  15. science

    A substance in a solid at room temperature. It is unable to conduct electricity as a solid but can conduct electricity as a liquid. This compound melts at 755 degrees celsius. Would you expect this compound to have ionic bonds, metallic bonds, or covalent

  16. chemistry

    The strongest intermolecular forces present in a sample of pure I2 are A. covalent bonds. B. covalent network bonds. C. metallic bonds. D. dipole–dipole forces. E. London forces.

  17. Chemistry

    ______________ are similar to covalent bonds in that they hold atoms together. They are different from covalent bonds in that they ___________ . A. Ionic bonds; hold atoms together within a molecule B. Intermolecular forces; require less energy to break C.

  18. chemistry

    Carbon atoms can form single, double,triple covalent bonds, but there is no experimental evidence for thr formation of quadruple covalent bond..pls., explain why this is so.

  19. Biology

    These are true and false questions and I want to make sure that I got them right. 1. A water molecule is held together by two single polar covalent bonds. False 2. Because oxygen has a greater electronegativity than hydrogen, water molecules are polar with

  20. Biology

    These are true and false questions and I want to make sure that I got them right. 1. A water molecule is held together by two single polar covalent bonds. False 2. Because oxygen has a greater electronegativity than hydrogen, water molecules are polar with

  21. chemistry

    how many covalent bonds are there in methane molecule

  22. chemistry

    a) Define the following terms: • Electronegativity • Bond polarity • Ionization energy b) What is the difference between ionic bonds, covalent bonds and polar covalent bonds? Give two examples of each c) Draw Lewis structures for each of the

  23. Chemistry

    How do i figure this? State whether the following compound contain polar covalent bonds, non-polar covalent bonds, or ionic bonds, based on their electronegativities. 1)KF_________ Look up the electronegativity values for K and F and make your decision. We

  24. science Please Help

    During the process of photosynthesis, plants convert carbon dioxide and water into glucose. Covalent bonds hold the glucose molecules together. The breaking of the covalent bonds during digestion releases energy. the type of energy released is A.nuclear

  25. Chemistry

    Are the bonds for these substances correct? Sodium chloride - ionic Sucrose - covalent Copper - metallic Calcium chloride - ionic Carbon - covalent Mercury - ionic Naphthalene - covalent Are any of these substances not strictly ionic, covalent, or

  26. Chemestry

    Question 1) Consider the following reaction of calcium hydride (CaH2) with molten sodium metal:CaH2(s) + 2 Na(l) -> 2 NaH(s) + Ca(l) Identify the species being oxidized and the species being reduced? Question 2) Give the names to the binary compounds

  27. science

    What properties of carbon explain carbon's ability to form many different macromolecules? What happens to chemical bonds during chemical reactions? Describe the role of energy in chemical reactions what are enzymes, and how are they important to living

  28. Chemistry

    Can someone check to see if my answers look ok. For the following crystals, explain how their melting points are related to the bonding forces and the crystal structure: a)Copper,Cu Copper has metallic bonds between atoms. It can occur as isometric cubic

  29. Science

    Compounds with high melting points have ___ a. Covalent bonds b. Metallic Bonds c. Ionic bonds*** d. No chemical bonds How could you determine if a sample of gold is pure? Compare the sample's density with that of pure gold.*** Compare the sample's color

  30. Chemistry

    Given these pairs of atoms, indicate whether the following bonds are polar or non-polar covalent bonds. C-H N-H O-H C-C

  31. 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

  32. Middle ga state

    Rank these bonds from most ionic to Most covalent in character Br-F Ca-F F-F Cl-F K-F

  33. Biology

    These are true and false questions and I want to make sure that I got them right. 1. A water molecule is held together by two single polar covalent bonds. False 2. Because oxygen has a greater electronegativity than hydrogen, water molecules are polar with

  34. chemistry

    Describe the role of each of the following types of bonds in a polyamide: a) covalent bonds b) amide bonds c) hydrogen bonds

  35. chemistry

    Two students Mac & Cheese, were arguing about covalent and ionic bonds. Mac says that covalent bonds could be compared to a good marriage. Do you think one has a better comparison than the other or are both of them equally right ?

  36. Chemistry

    How do electrons interact in non polar covalent bonds, polar covalent bonds, and ionic bonds?

  37. Chemistry

    What are some examples of covalent bonds? What are covalent bonds made of? Thanks.

  38. water molecules

    water molecules separate positive and negative ions from one another by forming covalent bonds, ionic bonds valence shells hydration shells It forms a solution. Since solution isn't one of the answers, hydratin shells is the next best answer. OR, you can

  39. chm

    Which of the following is a covalent compound composed of nonpolar covalent bonds? Answer >>H2 H2O CF4 CH4 NaF

  40. Science

    During the process of photosynthesis, plants convert carbon dioxide and water into glucose. Covalent bonds hold the glucose molecules together. The breaking of the covalent bonds during digestion releases energy. the type of energy released is A.nuclear

  41. Chemistry

    True or false? Hydrogen bonds between water molecules are comparable in strength to hydrogen-carbon covalent bonds?

  42. Chemistry

    Check? Answers On bottom. Electrostatic interaction is important for which type of bond? A. ionic bond B. triple covalent bond C. single covalent bond D. double covalent bond When an atom gains or loses valence electrons and becomes charged, it is known as

  43. chemistry

    Check? Answers On bottom. Electrostatic interaction is important for which type of bond? A. ionic bond B. triple covalent bond C. single covalent bond D. double covalent bond When an atom gains or loses valence electrons and becomes charged, it is known as

  44. chemistry

    Check? Answers On bottom. Electrostatic interaction is important for which type of bond? A. ionic bond B. triple covalent bond C. single covalent bond D. double covalent bond When an atom gains or loses valence electrons and becomes charged, it is known as

  45. 10th grade

    Which bond type is soluble in alcohol? Metallic, ionic, polar covalent, or nonpolar covalent bonds? Which bond type has hard, brittle crystals? (I think the second is ionic, but not positive.)

  46. Biology

    These are true and false questions and I want to make sure that I got them right. 1. A water molecule is held together by two single polar covalent bonds. False 2. Because oxygen has a greater electronegativity than hydrogen, water molecules are polar with

  47. biology

    Covalent bonds are not affected by chemical reactions. true ir false

  48. chemistry

    Describe the role of each of the following types of bonds in a polyamide: a) covalent bonds

  49. chemistry

    Compare the three types of bonds based on valence electrons. Explain why S-H bond lengths are longer than O-H bond lengths. Which element has a greater bond energy, oxygen or nitrogen and why. Determine if the following compounds are likely to have ionic

  50. Biochemistry

    1. Describe the ran world hypothesis 2. A) list the types of non covalent interactions that are important in providing stability to the three dimensional structures of macromolecules. (B) why is it important that these interactions be noncovalent , rather

  51. science

    what are the role of the electrons in ionic bonds,covalent bonds and metallic bonds

  52. science!

    What is the usual state of matter for covalent compounds? Ionic compounds? What is the smallest particle for each? What types of particles are formed by covalent bonds?

  53. chemistry

    what are some examples of covalent bonds and what are some examples of ionic bonds? Electrons are shared in covalent bonds. Electrons are exchanged in ionic bonds. Typical ionic compounds are NaCl, MgCl2, LiI, etc. Typical covalent compounds are CH4,

  54. Biology

    . The covalent bonds between the monomers of an enzyme macromolecule are A. glycosidic bonds. B. peptide bonds. C. phosphodiester bonds. D. ester bonds. I thimk it is B

  55. anonymous

    what atoms usually form coordinate covalent bonds i couldn't find this anywhere also i just want to make sure is the electronegativity difference range for polar covalent bonds .4 - 2.1 paulings?

  56. Chemistry 101

    Can someone pleas help I have this assignment and the only question I cannot figure out is to describe the hybridization of all the covalent bonds in oxalic acid? and label those bonds as sigma or pi bonds? I have determine that oxilic acid formula is

  57. science

    plse help me with this How are valance electrons involved in the formation of covalent bonds? How do atoms in covalent bonds become slightly negative or slightly positive? explain how attractions between molocules could cause water to have a higher

  58. Chemistry

    Are binary compounds ionic or covalent? If they are covalent? If they are covalent, I thought they don't form bonds that way, since they share electrons.

  59. chemistry

    classify the compound as having ionic, polar covalent, or pure covalent bonds. Sb2P5 I know that a metal and nonmetal form an ionic bond, and two nonmetals form covalent bonds. The trouble I am having is that Sb is a metalliod and when it forms with a

  60. chemistry

    How electrons interact in non-polar covalent bonds, polar covalent bonds, and ionic bonds?

  61. Chemistry (Check)

    True, False, or Sometimes true 1)A bond in which one atom contributes both bonding electron is called a polyatomic covalent bond.(True) 2)Carbon forms four single covalent bonds with other atoms. (Fales) True, False, or Sometimes true 1)A bond in which one

  62. a&p

    How would you contrast single convalent bonds, double covalent bonds, ionic bonds?

  63. Science help!

    Compounds with high melting points have _____. covalent bonds metallic bonds ionic bonds no chemical bonds 4. Which of the following is NOT a characteristic of minerals? crystalline structure formed by inorganic processes definite chemical composition

  64. Chemistry

    For following problems 1 to 5, classify the bonds as: a) non-polar covalent b) polar covalent c) ionic d) metallic e) super covalent 1.) O-Cl 2.) Li-Br 3.) N-N 4.) N-H 5.) C-S

  65. chemistry (go-over)

    is this always true that the compound NH3 contains two double covalent bonds? and that the chemical formulas of molecular compounds show the number and type of atoms in each molecule. No. NH3 has no double bonds. It contains three covalent bonds, one

  66. Chemistry

    Why are the molecules of hydrocarbons nonpolar? The intermolecular attractions are strong. The electron pair is shared almost equally in all the bonds. All the bonds are single covalent bonds*** Van der Waals forces overcome polarity

  67. Chemistry

    Are binary compounds ionic or covalent? If they are covalent, I thought they don't form bonds that way, since they share electrons.

  68. physics

    What is a covalent bond?what type of substance form covalent bonds?

  69. Chemistry

    The foreces of attraction between molecules of I2 are: covalent bonds ionic bonds dipole-dipole attractions london forces hydrogen bonds

  70. CHEMISTRY

    I am confused about this statement about water Which of the following is TRUE regarding water only covalent bonds are broken when ice melts (dont think so) all of the staements (A-D) are false energy must be given off in order to break down the crystal

  71. chem

    Ionic bonds and covalent bonds, which one is the stronger. My present teacher said that covalent bond is the strongest one. I learned ionic interaction is the strongest and many chem. books say so. Now i am confused. Is my present teacher right. Please

  72. ap biology

    Molecules that result from this bond do not dissociate in water because its atoms are not charged and, therefore, not attracted to the negative or positive ends of the water molecule. H-bond ionic bond nonpolar covalent bond polar covalent bond I am

  73. biology

    Hydrogen bond v covalent how are they sim and diff Both involve chemical bonds where bonds are formed from electrostatic forces covalent bonds involve the sharing of electrons between atoms. Outer valence shells are filled by the sharing of atoms. This

  74. Chemistry

    what is an example of a substance that has both ionic &covalent bonds & where are these bonds formed.

  75. Chemistry

    Describe how covalent and ionic bonds differ with regard to bond strength and how is bond length related to stability ane energy?

  76. Chemistry

    What is the number of double or triple bonds in the formula C3H8? What is the number of lone pairs Around each atom? And what is the number of single covalent bonds? I also need help with the formula C3H6O with the same questions! For C3H8 I got 10 single

  77. chemistry - DrBob?

    Hi! Can you tell me if I chose the right options for my chemistry homework? My answers are at the bottom. 1. Electrostatic interaction is important for which type of bond? A. ionic bond B. triple covalent bond C. single covalent bond D. double covalent

  78. Chemistry

    Hi! Can you tell me if I chose the right options for my chemistry homework? My answers are at the bottom. 1. Electrostatic interaction is important for which type of bond? A. ionic bond B. triple covalent bond C. single covalent bond D. double covalent

  79. Chemistry

    I was wondering if somebody could help me with this... Classify the following substances as covalent molecules or ionic compounds: a. MgO e. LiCl b. NI3 f. SF4 c. CuS g. XeF4 d. NO2 h. CsF How do you know if they are covalent or ionic bonds? Metal +

  80. chem

    so i took a sat ii subject practice test and the question was true/false/ ionic bonds are the strongest bonds. answer was true but what about NETWORK COVALENT?

  81. maths

    a trust fund has rs30000 that must be invested in two diferent types of bonds.the first bond pays 5% and second 7% interest per year. using matrix multiplication determine how to divide rs 30000 among two types of bonds if the trust must obtain na annual

  82. Science

    How two neutral objects may become positively and negatively charges? How is atomic mass established? Which atoms will form covalent bonds and which atoms will form ionic bonds?

  83. Anthropology!!!

    What aspects do anthropologists look at when they study political systems? Describe the types of societies, as well as the role of power and social control. I have no idea about what this question is asking Help me please Thank you

  84. 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.

  85. Science

    How can u predict if a bond will be ionic, covalent or polar covalent? i know that its the difference between electronegativities, but i cant seem to find the numbers it has to be between for each. I'm also getting confused because isnt covalent the same

  86. Social Studies

    Describe the role of shariah in Islam. What types of laws would one expect to find within Islamic governments, and how are they enforced? This was one of my questions on my homework, and I can't figure out a solid answer to it. Thank you!

  87. Chemistry

    How many pi bonds and sigma bonds are in ritalin molecule? I counted 4 pi bonds and 18 sigma bonds is that correct? I know double bonds are pi bonds and single bonds are pi bonds

  88. criminal justice/ fundemental of policing

    describe various types of policing angencies at the local, state, federal and how each is organized. Identify the principal roles and functions of each police organization and their role as they relate to the law

  89. Chemistry

    in paramagnetic ions all the bonds formed between Mn and O are covalent,why?

  90. chemistry

    how does electrons work together in non-polar covalent bonds?

  91. physical science chemistry

    Fill in the missing words Ionisation energy, water, melting point, electronegativity, non-polar, solvent, pair, boiling points, polar A covalent bond is formed when a 1________ of electrons is shared between the bonding atoms.when the electrons are shared

  92. chemistry

    How can i Fill in the missing words Ionisation energy, water, melting point, electronegativity, non-polar, solvent, pair, boiling points, polar A covalent bond is formed when a 1________ of electrons is shared between the bonding atoms.when the electrons

  93. Statistics

    An investor has $1400 to invest, and his financial analyst recommends two types of junk bonds. The A bonds have a 6% annual yield with a default rate of 3%. The B bonds have a 9% annual yield with a default rate of 7%. (If the bond defaults, the $1400 is

  94. Physical Science

    What distinguishes single, double, and triple covalent bonds?

  95. Physical Science

    Explain why the covalent bonds in molecules of elements are always nonpolar.

  96. Chemistry help

    COVALENT BONDS BETWEEN THE MONOMERS OF AN ENZYME MACRO MOLECULE ARE?

  97. boooring chemistry!!:(

    Why do the halogens easily form ionic and covalent bonds? Can someone explain this to me?! :(

  98. Biology

    4. The difference between an atom and and element is a. an element is made of atoms b. atoms are made of elements c. atoms are held together by covalent bonds d. none of the above C? 6. Which of the following is NOT an organic compound? a. ATP molecule b.

  99. Biology

    4. The difference between an atom and and element is a. an element is made of atoms b. atoms are made of elements c. atoms are held together by covalent bonds d. none of the above C? 6. Which of the following is NOT an organic compound? a. ATP molecule b.

  100. algebra

    A student has a number of $40 and $ 80 savings bonds to use for part otf their college expence.The total value of bonds is $1160.There are 5 more $40 bonds than $80 bonds.How many of each type of bonds she have?

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