Electron Arrangement of Atoms

The first electron shell, closest to the nucleus, can hold a maximum of

• 8 electrons

• 1 electron

• 2 electrons

• 0 electrons

The second electron shell can hold a maximum of

• 8 electrons

• 2 electrons

• 18 electons

• 32 electrons

How many electrons does Berylium have?

• 13

• 4

• 9

• 3

The electron arrangement of Beryllium is

• 2, 7

• 2, 1

• 4

• 2, 2

The electron arrangement of Neon is

• 10

• 2, 8

• 2, 8, 8, 2

• 20

The electron arrangement of Sodium is

• 2, 8, 8, 4

• 23

• 2, 8, 1

• 11

The electron arrangement of oxygen is

• 2, 6

• 8

• 16

• 2, 8, 6

The electron arrangement of Helium is

• 2, 2

• 4

• 2

• 1, 2

The electron arrangement of Argon is

• 18

• 2, 8, 8

• 14

• 2, 8, 18, 12

How many electrons does Calcium have?

• 20

• 40

• 60

• 2, 8, 8