Properties of materials

How many electrons are there in an atom of oxygen?

• 6

• 7

• 8

• 9

There are (a)   neutrons in an atom carbon

Draw an diagram to show the structure of an atom magnesium?

How many protons are there in an atom of sodium?

• 7

• 10

• 11

• 14

What is the name of the element that has the electronic structure 2, 8, 3?

• potassium

• phosphorus

• magnesium

• aluminium

Draw a labelled atomic diagram of element chloride

Where in the Periodic table do you find the metals?

• Group 1

• Group 7

What is the trend in the boiling points of Group I elements?

• Increase

• Decrease

• Fluctuate

Sodium has (a)   electrons than lithium

Halogen are

• metal

• non - metal