Valence Electrons & Ionic Charge

How many valence electrons does an atom of Silicon have?

• 3

• 4

• 5

• 6

How many valence electrons does an atom of Strontium have?

• 2

• 3

• 4

• 5

How many valence electrons does an atom of Chlorine have?

• 2

• 4

• 6

• 7

How many valence electrons does an atom of Aluminum have?

• 1

• 2

• 3

• 4

What is the most common ionic charge for nitrogen?

• +4

• +3

• -4

• -3

What is the most common ionic charge for potassium?

• +1

• +2

• -1

• -2

What is the most common ionic charge for sulphur?

• +2

• +3

• -2

• -3

What is the most common ionic charge for Beryllium?

• +1

• +2

• -1

• -2

What is the most common ionic charge for fluorine?

• -3

• -2

• -1

• +1

How many valence electrons does an atom of phosphorus have?

• 3

• 4

• 5

• 6