National 4 Chemistry Unit 1 (so far...)

Elements are arranged in the Periodic Table in order of...

• increasing atomic number

• decreasing atomic number

• increasing mass number

• decreasing mass number

Which element is located in Period 3, Group 2 of the Periodic Table?

• Magnesium

• Calcium

• Sodium

• Aluminum

The atomic number tells us the number of...

• protons

• neutrons

• electrons

• atoms

Which of these elements is a liquid at room temperature?

• mercury

• aluminium

• neon

• sodium

Columns in the Periodic Table are known as...

• groups

• rows

• periods

• tables

Which element is a noble gas?

• Helium

• Oxygen

• Carbon

• Hydrogen

What is the chemical symbol for Potassium?

• P

• K

• Pt

• Po

Which of the following elements is a halogen?

• Fluorine

• Argon

• Calcium

• Iron

Halogens are found in group...

• 1

• 2

• 7

• 8/0

The alkali metals are...

• very reactive metals

• unreactive metals

• very reactive non-metals

• unreactive non-metals