Chemistry Review

Front

Which particle has a positive charge?

Back

Proton

Front

Choose the particle that has no charge.

Back

Neutron

Front

Fluorine (F₂) is a(n) __________ molecule because the valence electrons are shared equally between the two fluorine atoms.

Back

Nonpolar

Front

Because the electrons in a molecule of hydrogen fluoride (HF) are more strongly pulled toward the fluorine atom, the molecule is:

Back

Polar

Front

What is a double bond?

Back

Two pairs of electrons shared between two atoms.

Front

What is an electron?

Back

A subatomic particle with a negative charge.

Front

Define an ionic bond.

Back

A chemical bond formed through the transfer of electrons from one atom to another.

Front

What is a covalent bond?

Back

A chemical bond formed by the sharing of electrons between atoms.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.