the transition elements (C3)

Question 1

what are all transition elements?

Answer 1

metals

Question 2

are they good conductors of heat and electricity?

Answer 2

yes

Question 3

how dense are the elements?

Answer 3

very dense (more than group 1)

Question 4

are the elements more or less reactive than group 1?

Answer 4

less (don’t react as vigorously with water or oxygen)

Question 5

are the melting points higher or lower than group 1?

Answer 5

higher

Question 6

which element is the exception to the rule about melting points?

Answer 6

mercury (it’s liquid at room temp)

Question 7

are the elements harder and strong than group 1?

Answer 7

yes

Question 8

name to another property of the elements?

Answer 8

they are shiny

Question 9

what can they be used for?

Answer 9

catalysts

Question 10

what do they often have more of?

Answer 10

more than 1 ion (can have different charges)

Question 11

give an example of an element which can have more than 1 ion

Answer 11

copper : copper+1 or copper+2

Question 12

what is one aesthetic feature of them?

Answer 12

they are colourful

Question 13

why are the elements often colourful?

Answer 13

due to the transition metal ion they contain

Question 14

are transition metals good catalyst

Answer 14

yes

Question 15

give one example of a catalyst in a reaction

Answer 15

manganese (IV)oxide are good catalyst for the decomposition of hydrogen peroxide