Atoms and Periodic Table Review

Front

How many electrons are in the outermost shell of Aluminum?

Back

3

Front

What family is Phosphorus a part of?

Back

5

Front

An electron has a _____ charge.

Back

negative

Front

If an element has 13 Protons, 13 electrons and a mass of 26.9, how many neutrons does it have?

Back

14

Front

Where are metals located on the periodic table?

Back

Blue

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the significance of the periodic table's groups?

Back

Elements in the same group have similar chemical properties.

Front

What is the difference between an atom and an ion?

Back

An atom is neutral, while an ion has a positive or negative charge.

Front

What are valence electrons?

Back

Electrons in the outermost shell that determine an atom's chemical properties.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.