2.1 2.2 Review

Front

An atom with 8 protons, 8 neutrons, and 8 electrons is an atom of __.

Back

Oxygen

Front

A __ bond forms when electrons are shared between two atoms.

Back

Covalent

Front

How many electrons does a neutral atom of chlorine (atomic number 17) have?

Back

17

Front

What is the atomic number of chlorine?

Back

17

Front

What is the pH level of an acid?

Back

Lower than 7

Front

What is the term for water molecules sticking to each other?

Back

Cohesion

Front

An example of cohesion is water droplets forming on a surface.

Back

Water droplets forming on a surface.

Front

An example of adhesion is water sticking to a glass surface.

Back

Water sticking to a glass surface.

Front

The number representing neutral pH is 7.

Back

7

Front

Covalent bonds form when atoms share electrons.

Back

Covalent bonds form when atoms share electrons.