2. Atoms and the Periodic Table

Front

Has a positive charge

Back

Protons

Front

Has a negative charge

Back

Electron

Front

No charge

Back

Neutron

Front

How many protons are found in a neon atom?

Back

10

Front

How many neutrons are found in a neon atom?

Back

10

Front

Valence electrons

Back

Electrons found in the outermost shell

Front

What is the maximum number of electrons that can be found in energy shell #2?

Back

8

Front

Which is the smallest known atom?

Back

Hydrogen

Front

An element is defined by its number of _____.
Options: electrons, neutrons, protons

Back

protons

Front

How many more electrons does oxygen need to fill its outer shell?

Back

2