Metals And Non-metals Flashcards
1
Q
List the metal reactive series in order from most reactive
A
Potassium K, sodium Na, calcium Ca, Magnesium Mg, aluminium Al, zinc Zn, Iron Fe, Tin Sn, Lead Pb, copper Cu, silver Ag, gold Au, platinum Pt
2
Q
What is an alloy
A
A mixture of metals or a mixture of a metal and another element. Defined as a metallic bonding character
3
Q
What is reduction used for?
A
To extract metals by a chemical reactions
4
Q
What is the air composed of?
A
78% Nitrogen, 21% Oxygen, 0.03% Carbon dioxide, 0.9% other gases
5
Q
What can pollute the air
A
Carbon monoxide, sulphur dioxide and nitrogen oxide
