metals

Question 1

why do we use some metals and not others

Answer 1

availability and abundance, price, properties

Question 2

which can be extracted more easily - metals with low reactivity or metals with high reactivity

Answer 2

low reactivity

Question 3

give two metals that are found in ores

Answer 3

aluminum, copper, lead

Question 4

give an example of a metal that is found in its pure form

Answer 4

gold

Question 5

why are group one metals the most reactive

Answer 5

they only have one outer shell electron.

Question 6

what is the most reactive metal in the reactivity series

Answer 6

potassium

Question 7

what is more reactive magnesium or aluminum

Answer 7

magnesium

Question 8

what is more reactive lead or tin

Answer 8

tin

Question 9

what is more reactive lithium or sodium

Answer 9

sodium

Question 10

what is more reactive copper or platinum

Answer 10

copper

Question 11

what is more reactive silver or gold

Answer 11

silver

Question 12

what is more reactive hydrogen or iron

Answer 12

iron

Question 13

what happens when a metal reacts

Answer 13

it loses its outer shell electron to gain a full outer shell

Question 14

why is sodium more reactive than magnesium

Answer 14

because it is easier to lose 1 electron than 2

Question 15

what does oxidation mean

Answer 15

1. oxygen reacts with another reactant 2. loss of electrons

Question 16

what does reduction mean

Answer 16

1. removal of oxygen 2. gain of electrons