Valence Electrons and the Octet Rule

Front

Valence electrons are the...

Back

Outermost electrons

Front

How many valence electrons does carbon have?

Back

4

Front

An element in group 2 has how many valence electrons?

Back

2

Front

How many valence electrons does sodium have?

Back

1

Front

How many valence electrons does Phosphorus have?

Back

5

Front

Find the element that has 3 Valence Electrons and 2 energy levels.

Back

Boron - B

Front

Find the element that has 5 Valence Electrons and 4 energy levels. Options: Arsenic - As, Selenium - Se, Calcium - Ca, Vanadium - V

Back

Arsenic - As

Front

The octet rule states that the atom is most stable when its valence electrons number is equal to

Back

8

Front

Which of the elements are exceptions to the octet rule? Options: Oxygen & Carbon, Hydrogen & Helium, Nitrogen & Argon, Krypton & Iron

Back

Hydrogen & Helium

Front

Hydrogen needs _____ electrons in its valence shell to be stable.

Back

2