Reactivity Tests

Question 1

what does it mean when it’s easier for a metal to form its positive ion

Answer 1

the more reactive it is

Question 2

When metals react with other substances, the metal atoms always form what

Answer 2

positive ions

Question 3

what are native metals

Answer 3

native metals are very unreactive metals found in the earth’s crust

Question 4

give 2 examples of native metals

Answer 4

1) gold

2) platinum

Question 5

what is a displacement reaction

Answer 5

a displacement reaction is when a more reactive metal can displace a less reactive metal from a compound.

Question 6

NOTE:

Magnesium + copper sulfate → magnesium sulfate + copper
Mg(s) + CuSO4(aq) → MgSO4(aq) + Cu(s)

Answer 6

NOTE:

Magnesium + copper sulfate → magnesium sulfate + copper
Mg(s) + CuSO4(aq) → MgSO4(aq) + Cu(s)

Question 7

what is oxidation

Answer 7

atom loses an electron

Question 8

what is reduction

Answer 8

atom gains an electron

Question 9

displacement reactions are examples of what

Answer 9

redox reactions