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Chapter 2 Multiple Choice Questions

Priscilla Disla1994 14 preguntas

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Preguntas del test (14)

  1. 1How many valence electrons does a neutral atom of magnesium have?
    1. A0
    2. B6
    3. C2
    4. D8
  2. 2A covalent bond forms when
    1. Aelectrons are present in a valence shell
    2. Ba valence electron is removed from one atom and added to another.
    3. Ca pair of valence electrons is shared between two atoms
    4. Dthe electronegativity of one atom is much greater than that of another atom.
  3. 3A hydrophilic substance is one that can
    1. Aform covalent bonds with hydrogen
    2. Bdissolve in water
    3. Cbuffer in solution
    4. Dmix with nonpolar solvents.
  4. 4A hydrogen bond is distinct from ionic and covalent bonds in that it
    1. Aforms between adjacent molecules rather than within molecules.
    2. Bforms only between two hydrogen bonds
    3. Cis considerably stronger than the other two types of bonds
    4. Doccurs more commonly in lipids than in other types of molecules
  5. 5___________ are monomers that form polymers called _________ .
    1. ANucleotides; nucleic acids
    2. BAmino acids; nucleic acids
    3. CMonoglycerids; triglycerids
    4. DCarbohydrates; monosaccharides
  6. 6An atom's atomic number indicates the number of [blank_start]protons[blank_end] in its [blank_start]nucleus[blank_end].
    1. Aprotons
    2. Bnucleus
  7. 7A carbon-14 atom has ____ neutrons, ____ protons, and a mass number of ____ .
    1. A8; 6; 14
    2. B6; 8; 14
    3. C7; 7; 14
    4. D8; 6; 12
  8. 8The mass number tells us
    1. AThe number of protons only
    2. BThe number of electrons only
    3. CThe number of electrons and protons
    4. DThe number of protons and neutrons
  9. 9An orbital can hold up to how many electrons?
    1. A0
    2. B4
    3. C2
    4. D6
  10. 10What are the 4 types of bonds?

    [blank_start]Non polar covalent[blank_end] bonds
    [blank_start]Polar covalent[blank_end] bonds
    [blank_start]Hydrogen[blank_end] bonds
    [blank_start]Ionic[blank_end] bonds
    1. ANon polar covalent
    2. BPolar covalent
    3. CHydrogen
    4. DIonic

Información

Descripción
1 Bio 106 Test sobre Chapter 2 Multiple Choice Questions, creado por Priscilla Disla1994 el 06/10/2015.
Idioma
English
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