Biology Chemistry Review: MODIFIED

Front

What charge does an electron have?

Back

Negative (-)

Front

How many neutrons does Fluorine have?

Back

10

Front

What does the C represent in the periodic table?

Back

Chemical symbol

Front

Name this element: Na.

Back

Sodium

Front

What type of change occurs when a tire is inflated with air?

Back

Physical Change

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the difference between a chemical change and a physical change?

Back

A chemical change results in the formation of new substances, while a physical change does not.

Front

What is the chemical symbol for Oxygen?

Back

O

Front

What is the atomic mass of an element?

Back

The weighted average mass of an element's isotopes.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.