Noble Gas

An inert atmosphere is needed in a lamp to lengthen the useful life of the metal filament.

Why is argon, rather than helium, used for this purpose?

• A

• B

• C

• D

Which of these is not a property of noble gases?

• Colourless

• Odourless

• Flammable

• Gas at room temperature

How many elements are in the Noble Gas family?

• 24

• 13

• 6

• 18

Which noble gas is found in signs or light displays?

• Krypton

• Helium

• Argon

• Neon

which element is this?

• helium

• radon

• krypton

• xenon

Tags

NGSS.MS-PS1-1

select all the properties of noble gases that apply

• non reactive

• low ionization energy

• high boiling point

• can never conduct electricity

What is the trend in boiling point for noble gases?

• There is no trend.

• Boiling point decreases down the group.

• Boiling point increases down the group.

• All the boiling points are the same.

True or false: Noble gases react with water

• True

• False

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is a noble gas that is heavier than air?

• Hydrogen

• Helium

• Argon

• Sodium

Which of the following has the highest density?

• Argon

• Krypton

• Xenon

• Helium

• Neon