reactions with metal with oxygen

Question 1

what is the observation when cooper reacts with oygen

Answer 1

dull glow

Question 2

what is the observation when cooper reacts with iron

Answer 2

stronger glow

Question 3

what is the observation when cooper reacts with zink

Answer 3

fire+glow

Question 4

what is the observation when cooper reacts magnesium

Answer 4

lots of heat+light

Question 5

put this in order of the most reactive magnesium copper zink cooper iron

Answer 5

cooper zink iron magnesium copper

Question 6

which of the metals do you think are most likely to be found uncombined -the reactive metals or the unreactive metals

Answer 6

unreactive gold