Chemical properties of metals and non-metals Flashcards
1
Q
What is a chemical property?
A
A substance that can be observed or measured in a chemical reaction.
2
Q
What do most metals and non-metals react with?
A
They react with oxygen.
3
Q
Most metals are solid at ____.
A
20°.
4
Q
Alkaline solutions have a pH _____ than 7.
A
Greater.
5
Q
What solutions do metal oxides form?
A
They form hydrogen and alkaline solutions.
6
Q
magnesium + oxygen ->
A
magnesium oxide.
7
Q
Most metals react with ___ to make _____.
A
Oxygen, basic oxides.
8
Q
Most non-metals are gases at ____.
A
20˚.
9
Q
What solutions do non-metal oxides form?
A
They form acidic solutions.
10
Q
Acidic solutions have a pH _____ than 7.
A
Less.
11
Q
sulfur + oxygen ->
A
Sulfur dioxide
12
Q
Most non-metals react with ___ to make _____.
A
Oxygen, acidic oxides.