Atoms and the Periodic Table

Front

A substance that cannot be broken down any further without losing its properties.

Back

Element

Front

Subatomic particle with a positive charge

Back

Proton

Front

Subatomic particle with a negative charge

Back

Electron

Front

Atoms are mostly...

Back

Empty space

Front

The number of _______________ in an atom is represented by its atomic number.

Back

Protons

Front

If an atom has 12 neutrons and 11 protons, what is its atomic mass?

Back

23

Front

How many protons does Helium (He) have?

Back

2

Front

What is the atomic symbol for Carbon?

Back

C

Front

What is the atomic number for Hydrogen (H)?

Back

1

Front

What is the atomic symbol of the given element?

Back

Na