Valence Electrons and Periodic Table

Front

Elements in the same column of the periodic table always have the same # of _______ as one another.

Back

Valence Electrons

Front

How many electron shells does Potassium (K) have?

Back

4

Front

Which group has the greatest number of valence electrons?

Back

18

Front

How many valence electrons does Silicon (Si) have?

Back

4

Front

How many neutrons are in Phosphorous?

Back

16

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in forming bonds.

Front

What is the significance of valence electrons in chemical bonding?

Back

Valence electrons determine how an element will react chemically and how it will bond with other elements.

Front

What is the periodic table?

Back

The periodic table is a tabular arrangement of elements, organized by increasing atomic number, that shows periodic trends in properties.

Front

What does the group number in the periodic table indicate?

Back

The group number indicates the number of valence electrons in the elements of that group.

Front

How many groups are in the periodic table?

Back

There are 18 groups in the periodic table.