Question 2

how do an ionic bond and a covalent bond differ?

a. an ionic bond is an attraction between oppositely charged ions. a covalent bond is a sharing of electrons between atoms.

b. a covalent bond is an attraction between oppositely charged ions. an ionic bond is a sharing of electrons between atoms.

c. there is no difference. both an ionic bond and a covalent bond share electrons.

d. there is no difference. both an ionic bond and a covalent bond are attractions between oppositely charged ions.

question 3

what is a bond between a positive and a negative ion called?

a. covalent bond

b. ionic bond

c. metallic bond

d. polar bond

question 4

water (h2o) is composed of the same elements as hydrogen peroxide (h2o2). why do these substances have different properties?

a. the atoms are arranged differently in each molecule.

b. the molecules are the same.

c. the atoms are the same.

d. water has more atoms than hydrogen peroxide.

question 5

what is the definition of a chemical bond?

a. a mutual attraction between the nuclei and electrons in two different atoms

b. a mutual attraction between the nuclei and electrons in a single atom

c. a mutual repulsion between the nuclei and electrons in two different atoms

d. a mutual repulsion between the nuclei and electrons in a single atom