periodic table of elements

What element is in group 15 period 3

What GROUPS are highly reactive?

• 16

• 17

• 1

• 8

• 18

how many valence electrons are in group 13

• 16

• 5

• 13

• 3

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many  electron shells does carbon have?

• 4

• 1

• 3

• 2

Silicon is a —-

• metal

• Non-metal

• metalloid

How many groups are there on the periodic table?

• 18

• 8

• 10

• 6

 How many metalloids are there?

• 8

• 12

• 7

• 9