Periodic Table 5

All matter is made of

• atoms
• cells

The atoms along the staircase are called

• metals

• nonmetals

• metalloids

The vertical (up and down) columns in the Periodic Table are called

• Groups

• Periods

Beryllium is in which Group?

• Group 2

• Group 3

• Group 4

• Group 7

The horizontal (side to side) rows in the Periodic Table are called

• Groups

• Periods

How many Valance electrons does (Cl) chlorine have?

• 6

• 16

• 7

• 17

Sodium (Na) is found in Period

• 4

• 3

• 2

• 1

The period for Bromine (Br) is P__.

• 35

• 17

• 7

• 4

The atomic number tells you what? READ THE ANSWERS CAREFULLY

• only the number of electrons

• only the number of protons

• only the number of neutrons

• the number of both electrons and protons in an atom.

What does the Atomic mass tell you? READ CAREFULLY!

• The number of electrons and protons

• The number of neutrons

• The number of protons and neutrons

• The number of protons