Noble Gases

Question 1

What are Noble Gases?

Answer 1

The elements in group 0, on the extreme right of the periodic
table, are called the noble gases.

Question 2

State three properties of Noble gases

Answer 2

1. Noble gases are unreactive
2. All noble gases are colourless, odourless and unreactive
3. They are monatomic, which means they exist as individual atoms. Most other gases are diatomic.

Question 3

State three uses of the noble gases

Answer 3

• Helium is used for filling balloons and weather balloons as it is less dense than air and does not burn
• Neon, argon and xenon are used in advertising signs
• Argon is used to provide an inert atmosphere for welding
• Argon is also used to fill electric light bulbs as it is inert

Question 4

State the noble gases

Answer 4

Argon, Helium, Neon, Xenon, Krypton, Radon