Transition Metals

Question 1

transition metals have _____ ______ _____ electron in their outer shell. they are _____ ______ and have much higher ______ and ______ _______. they are widely used as ______ ______.

Answer 1

more than one, less reactive, melting points, densities, construction metals

Question 2

why are transition metals often catalysts?

Answer 2

they speed up the rate of a chemical reaction by providing an alternative pathway with lower activation energy

Question 3

transition metal properties

Answer 3

high melting point

high boiling point

good conductors

hard and strong

high density

forms mainly coloured compounds

slow/no reaction with water and air

slow reaction with acid

Question 4

colour of metal hydroxide to likely metal present:

blue

green

green turning brown

orange/brown

Answer 4

copper (II)

nickel (III)

iron (II)

orange/brown (III)

Question 5

give the name and formulae of the ions present in all acids and alkalis

Answer 5

acids: hydrogen / H+
alkalis: hydroxides/ OH-

Question 6

transitiob metal compounds properties

Answer 6

• coloured compounds
• catalysts
• multiple ions (iron II, iron III)