Atoms and Periodic Table Review

Front

Neutrons have a ____________ charge.

Back

Neutral, or no charge

Front

How many valence electrons does each element in Column one of the periodic table have?

Back

1

Front

How many atoms of Hydrogen are in CH₄?

Back

4

Front

What does the atomic number tell you?

Back

Number of protons

Front

Mercury (Hg) is classified as what type of matter?

Back

Element

Front

What is an atom?

Back

The basic unit of a chemical element.

Front

What are protons?

Back

Positively charged particles found in the nucleus of an atom.

Front

What are electrons?

Back

Negatively charged particles that orbit the nucleus of an atom.

Front

What is the periodic table?

Back

A tabular arrangement of elements based on their atomic number.

Front

What is a molecule?

Back

A group of atoms bonded together.