Valance Electrons & Lewis Dot Diagrams

Front

What are valence electrons?

Back

The number of electrons in the outermost shell (highest energy level) of an atom.

Front

How many valence electrons does Silicon (Si) have?

Back

4

Front

How many valence electrons does Magnesium (Mg) have?

Back

2

Front

What is the significance of valence electrons in chemical bonding?

Back

Valence electrons determine how an atom can bond with other atoms.

Front

What does a Lewis Dot Diagram represent?

Back

A Lewis Dot Diagram represents the valence electrons of an atom as dots around the element's symbol.

Front

How many valence electrons does an atom with the atomic number 13 have?

Back

3

Front

Which element has 8 valence electrons?

Back

Neon (Ne) has 8 valence electrons.

Front

What is the maximum number of valence electrons an atom can have?

Back

8 valence electrons, following the octet rule.

Front

How do you determine the number of valence electrons for an element in the periodic table?

Back

The group number of the element indicates the number of valence electrons.

Front

What is the Lewis Dot Diagram for Oxygen (O)?

Back

O with 6 dots around it, representing its 6 valence electrons.