Valence Electrons

Front

What are valence electrons?

Back

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

Front

How many valence electrons does Hydrogen have?

Back

1 Valence electron

Front

How many valence electrons does Helium have?

Back

2 Valence electrons

Front

How many valence electrons does Silicon have?

Back

4 Valence electrons

Front

What does the period of an element indicate?

Back

The period indicates the energy level or number of shells of the electrons in an atom.

Front

What are the horizontal rows in the periodic table called?

Back

Periods

Front

What are the vertical columns in the periodic table called?

Back

Groups or families

Front

How many valence electrons do elements in Group 1 have?

Back

1 Valence electron

Front

How many valence electrons do elements in Group 2 have?

Back

2 Valence electrons

Front

How many valence electrons do elements in Group 13 have?

Back

3 Valence electrons