Hydrogen and Helium
Lithium and Carbon
Nitrogen and Oxygen
Neon and Sodium
Aluminum and Chlorine
100

True or false: hydrogen is the lightest known element?

What is true

100

Lithium is used in these devices that charge electronics

What are batteries 

100

True or false: nitrogen is the most abundant element in the air

What is true

100
The most often neon signs will say this

What is "open" or "closed"

100

This beverage is often in an aluminum can

What is soda

200

Helium is often used to fill up this thing

What are balloons 

200

True or false: carbon is the most abundant element in the air

What is false (it is the second most abundant after nitrogen)

200

You breath oxygen this way

What is through your nose or mouth

200
Another word for sodium

What is salt

200

Chlorine is often added to these bodies of water

What are pools

300

Water is this many parts hydrogen

What is two (H2O)

300

When one carbon and one oxygen merge, they form this poisonous gas 

What is carbon monoxide 

300
Name at least one benefit of oxygen

...

300

True or false: neon is a metal

What is false

300
True or false: aluminum is one of the stronger metals

What is false

400

Hydrogen is the main gas in this heating source (hint, it starts with a p)

What is propane

400

Lithium is used in medication to treat people with this medical condition

What is bipolar disorder 

400

Nitrogen can be used to preserve this

What is food

400
Adults should consume no more than this amount of sodium in a day

What is about 2300mg

400

Name a way chlorine helps in pools

What is kills bacteria, bugs, germs, etc.

500
Inhaling helium does this to your voice

What is that is makes your voice higher

500

Does CO2 have more carbon or more oxygen?

What is more oxygen

500

Nitrogen is added into this product that is sprayed on plants to kill bugs

What is fertilizer 

500

Sodium is know as one of these

What is an electrolyte 

500

Chlorine was outlawed for use in this

What is war