Metal and non metals

Question 0

sonorous

Answer 0

makes it noise (if you hit it)

Question 1

properties of metals

Answer 1

electrical conductors, heat conductors, high melting point, shiny, malleable, ductile, sonorous

Question 2

ductile

Answer 2

can be drawn out into wire

Question 3

malleable

Answer 3

can be hammered into different shapes

Question 4

alloy

Answer 4

is a mixture of metals

Question 10

corrosion

Answer 10

is an undesirable process whereby a metal changes to its oxide or some other compound by combining with oxygen from the air

Question 11

rusting

Answer 11

Rusting is a corrosion kf Fe
Costs millions of euro every year
Its soft and crumbly and breaks of easily, exposing the next layer of Fe

Question 12

prevent rust

Answer 12

galvanising
greasing
painting

Question 13

the activity series

Answer 13

all metals have similar properties but do not react at the same rate
the activity or reactivity series is like a league table for metals
a good way to compare metals is to see how they react to water and acid

Question 14

reactivity

Answer 14

calcium, magnesium, zinc, copper

cats, make, zebras, cry

Question 15

zinc reacts with hydrochloric acid

Answer 15

to form zinc chloride and hydrogen