Question 2


How do an ionic bond and a covalent bond differ?

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

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

CThere is no difference. Both an ionic bond and a covalent bond share electrons.

DThere 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?

Acovalent bond

Bionic bond

Cmetallic bond

Dpolar 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.

BThe molecules are the same.

CThe atoms are the same.

D.Water has more atoms than hydrogen peroxide.



Question 5


What is the definition of a chemical bond?

Aa mutual attraction between the nuclei and electrons in two different atoms

Ba mutual attraction between the nuclei and electrons in a single atom

Ca mutual repulsion between the nuclei and electrons in two different atoms

Da mutual repulsion between the nuclei and electrons in a single atom