They are only made up of one type of atom.
What is an Element?
When these two chemicals react the create an explosion
what are fire and gasoline?
An important element that we take in every day
What is oxygen?
examples of a strong acid
What is battery acid?
What is it called when a Solid turns into a Liquid?
What is Melting
what are atoms made of?
what is nucleus,protons,neutrons and electrons?
when liquid nitrogen touches a surface?
what is, freezing?
When a solid turns into a gas.
What is sublimation. I like ches
what measures acids and bases?
what is a PH scale?
What is it called when a Liquid turns into Solid?
What is Freezing
the lightest atom 1 electron?
what is the hydrogen atom?
when battery acid touches a surface?
what is, decaying
what two things are released when molecules are put into water?
What are Hydrogen and Hydroxide Ion?
What is it called when Liquid turns into Gas?
What is Evaparation
the heaviest atom 92 electrons?
what is a uranium atom?
What does acidic mean
what is something below PH 7?
What is it called when Gas turns into Liquid?
What is Condensation
The element that goes in balloons.
What is helium?
A substance cannot be changed back into it's original form.
What is an Irreversible Change?
What is an example of a base?
What is Potassium hydroxide (KOH)
What is called when Gas turns into a Solid?
What is Deposition