Electron Shells

The rows (across) on the Periodic Table are called______.

• groups

• families

• metals

• periods

Use the Periodic Table

How many electron shells does Sodium (Na) have?

• 1

• 2

• 3

• 4

How many electron shells does Carbon have?

• 6

• 2

• 1

• 4

Use the Periodic Table

How many electron shells does Neon (Ne) have?

• 1

• 2

• 3

• 4

How many electron shells does Silicon have?

• 14

• 2

• 3

• 4

Use the Periodic Table

How many electron shells does Gold (Au) have?

• 4

• 2

• 6

• 5

How many electron shells does Silver have?

• 47

• 6

• 1

• 5

The period number tells you how many ____ the element has.

• electron shells

• valence electrons

• protons

• electrons