Energy Levels

They are imaginary regions (places) around the nucleus in which the electrons move according to their energies.

• Atom

• Element

• The energy levels

• Molecules

The first energy level is ....................

• K

• L

• M

• N

The second energy level is saturated with ................ electrons.

• 2

• 8

• 18

• 32

The fourth energy level is saturated with ................ electrons.

• 2

• 8

• 18

• 32

The maximum number of energy levels in the heaviest known atoms equals (9).

• True

• False

The energy level "K" has the highest energy.

• True

• False

The number of electrons which saturates the energy levels can be calculated from the relation (n²).

• True

• False

The nearest energy level to the nucleus is the "K" level, which is saturated with 8 electrons.

• True

• False