Symbols
Valence Electrons
Electrons
Protons
Nucleons
100

The symbol for lithium.

Li

100

The number of valence electrons for carbon.

4

100

The number of TOTAL electrons for hydrogen.

1

100

What is the name of the element with 11 protons?

Sodium
100

How many protons does Helium have?

2

200

The symbol for helium

He

200

The number of valence electrons in an atom of oxygen.

6

200

The number of TOTAL electrons for neon.

10

200

What is the name of the element with 8 protons?

Oxygen

200

How many protons does Boron have?

5

300

The symbol for potassium.

K

300

The number of valence electrons in an atom of chlorine.

7

300

The number of TOTAL electrons for potassium.

19

300

What is the name of the element with 7 protons?

Nitrogen

300

How many protons does Neon have?

10

400

The symbol for sulfur?

S

400

The number of valence electrons in an atom of sodium.

1

400

The number of TOTAL electrons for lithium

3

400

What is the name of the element with 16 protons?

Sulfur

400

How many protons does Magnesium have?

12

500

The symbol for neon?

Ne

500

The number of valence electrons in an atom of aluminum.

3

500

The number of TOTAL electrons for argon.

18

500

What is the name of the element with 20 protons?

Calcium

500

How many protons does Bromine have?

35