Chemistry Flashcards
1
Q
What ions are produced by an acid in an aqueous solution?
A
Hydrogen ions (H+)
2
Q
What is produced when an acid reacts with a metal carbonate ?
A
a salt, water, carbon dioxide
3
Q
What word is used to describe a substance that gains oxygen?
A
Oxidised - called oxidation
4
Q
Before the discovery of the electron, what did people think atoms were?
A
Tiny spheres that can’t be divided
5
Q
What are the charges of protons, neutrons and electrons?
A
proton +1
neutron -1
electron 0 charge