The Reactivity Of Metals

Question 1

Which metals are the most reactive and at what temperature do they react with oxygen?

Answer 1

Potassium, sodium and lithium. Room temperature

Question 2

Which are second most reactive and what temperature do they react and at what rate?

Answer 2

Calcium, Magnesium, zinc, iron, copper and silver. Room temperature but slowly

Question 3

Which metal does not react with oxygen?

Answer 3

Gold

Question 4

What happens when metals react with water?

Answer 4

Metal hydroxides + hydrogen

Question 5

Which metals react with water at room temperature and which one creates a purple flame (lilac flame)?

Answer 5

Potassium, sodium, lithium and calcium

Question 6

What metals react slowly with hot water?

Answer 6

Magnesium, zinc and iron

Question 7

Which metals would not react with water?

Answer 7

Copper, silver and gold

Question 8

Which metals react with acids and what do they form?

Answer 8

Potassium, sodium and lithium, metal salt + hydrogen

Question 9

Which ones react with acid but not as violently?

Answer 9

Calcium, Magnesium, zinc and iron

Question 10

What metals are unreactive with acids?

Answer 10

Gold, copper and silver

Question 11

What happens to the metal when reacted with acid?

Answer 11

Disappears/dissolves

Question 12

Which metals reacts with nothing?

Answer 12

Gold

Question 13

Which metals react with oxygen?

Answer 13

All above gold

Question 14

Which metals react with acids?

Answer 14

All over copper

Question 15

Which metals react with water?

Answer 15

All over magnesium