Bohr Models and valence electrons 9-22

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 an element in Group 1 have?

Back

Elements in Group 1 have 1 valence electron.

Front

How many valence electrons does an element in Group 2 have?

Back

Elements in Group 2 have 2 valence electrons.

Front

How many valence electrons does an element in Group 13 have?

Back

Elements in Group 13 have 3 valence electrons.

Front

How many valence electrons does an element in Group 14 have?

Back

Elements in Group 14 have 4 valence electrons.

Front

How many valence electrons does an element in Group 15 have?

Back

Elements in Group 15 have 5 valence electrons.

Front

How many valence electrons does an element in Group 16 have?

Back

Elements in Group 16 have 6 valence electrons.

Front

How many valence electrons does an element in Group 17 have?

Back

Elements in Group 17 have 7 valence electrons.

Front

How many valence electrons does an element in Group 18 have?

Back

Elements in Group 18 have 8 valence electrons (except Helium, which has 2).

Front

What is the Bohr model of the atom?

Back

The Bohr model is a representation of the atom that depicts electrons orbiting the nucleus in defined energy levels.