Chemistry Test Flashcards
(10 cards)
1
Q
Hydrogen
A
Burns w pop
2
Q
Oxygen
A
Re - lights a burning splint
3
Q
Define a element
A
A substance that has only one type of atom
4
Q
Define a compound
A
A compound is
Made when atoms of different elements join together by chemical bonds
5
Q
Name the compound of magnesium and chlorine
A
Magnesium chloride
6
Q
Name the compound of magnesium, chlorine and oxegen
A
Magnesium chlorate
7
Q
Seperating compounds
A
Water (a compound) can be seperated into hydrogen and oxygen (elements) using electricity or with heat.
8
Q
A
9
Q
What is an effervesence reaction
A
Bubbles of gass
11
Q
Precification
A
When a solid is formed from two liquids