AP ECET CHEMISTRY Multiple Choice Questions (MCQs)

a) H2

b) O2

c) NaCl

d) HCl

a) Poor conductor of electricity in solid state

b) High melting and boiling points

c) Insoluble in water

d) Have low solubility in polar solvents

a) Covalent bond

b) Ionic bond

c) Metallic bond

d) Hydrogen bond

a) NaCl

b) MgO

c) H2

d) CaCl2

a) Good conductor of electricity in molten state

b) High solubility in non-polar solvents

c) High melting and boiling points

d) Form hard crystals

a) Covalent bond

b) Ionic bond

c) Polar covalent bond

d) Hydrogen bond

a) HCl

b) O2

c) N2

d) NaCl

a) HCl

b) H2

c) N2

d) O2

a) Low melting and boiling points

b) They are malleable

c) They conduct electricity in the solid state

d) They dissolve in water to form electrolytes

a) O2

b) N2

c) HCl

d) H2

a) Electrons are transferred between atoms

b) Electrons are shared between atoms

c) They have high melting points

d) They form crystals

a) Ionic bonds are formed by sharing electrons, and covalent bonds are formed by transfer of electrons

b) Ionic bonds are formed by transfer of electrons, and covalent bonds are formed by sharing electrons

c) Both bonds are formed by sharing electrons

d) Both bonds are formed by transfer of electrons

a) They are typically hard and brittle

b) They are soluble in non-polar solvents

c) They conduct electricity in aqueous solution

d) They have high melting points and are crystalline

a) H2

b) NaCl

c) H2O

d) CO2

a) MgCl2

b) NaF

c) H2O

d) Na2O