Valence Electrons, Lewis Dot Diagrams and Ions

Valence Electrons, Lewis Dot Diagrams and Ions

Multiple Choice

How many valence electrons are found in the element shown in the image?

• 1

• 2

• 3

• 4

• 5

Multiple Select

Which of the following atoms have 4 valence electrons?

• B

• C

• Al

• Si

• P

Multiple Choice

How many valence electrons are in the atom shown?

• 4

• 7

• 6

• 5

Exception to the Rule

• Helium is an exception to the rules.

• It has only 2 valence electrons but it has a full outer shell SO the two dots for Helium are paired like in the image on the right.

Multiple Choice

Which of the following is an incorrect Lewis Dot Diagram?

• All of the above are correct.

Multiple Choice

What would be the charge on an ion with 12 protons and 10 electrons?

• 2

• +2

• -2

• 0

Multiple Choice

Would oxygen be more likely to lose electrons or gain them?

• lose electrons

• gain electrons

• neither

Multiple Choice

The charge on an ion of Sodium (Na) would most likely be?

• -1

• +1

• -2

• +2

Multiple Choice

The charge on an ion of Sulfur (S) would most likely be?

• +1

• +2

• -1

• -2