Periodic table

Hydrogen is located in Group ________ of the Periodic Table.

• 1

• 2

• 3

• 4

The number of protons in the nucleus of an atom of that element is ___________.

• atomic number

• atomic weight

• mass number

• isotopes

The Periodic Table is a table that lists__________

• matter

• rocks

• elements

• chemistry

The Periodic Table has 7 groups.

• true

• false

How many neutrons in an atom of chlorine?

• 16

• 17

• 18

• 35

What is Cu?

• copper

• zinc

• aluminium

• magnesium

What is the atomic number of hydrogen?

• 0

• 1

• 2

• 3

In the Periodic Table, the vertical columns that extend down the Periodic Table are called ________ .

• periods

• groups

• classes

What is the element symbol for oxygen?

• Al

• O

• Pb

• Sn

A row on the Periodic Table of Elements is called a(n) .

• mass

• group

• shell

• period

• element