The Periodic Table

Question 1

describe the periodic table

Answer 1

an arrangement of elements in periods and groups and in order of increasing proton number / atomic number

Question 2

physical properties of metals (7)

Answer 2

hard
malleable
shiny
ductile
sonorous
good conductors
silvery

Question 3

physical properties and trends of Group 1 metals (4)

Answer 3

soft
decreasing melting point as you go down the group
increasing density as you go down the group
increasing reactivity with water as you go down the group`

Question 4

what is another name for Group 1 metals and why

Answer 4

alkali metals because they form alkaline compounds

Question 5

describe the Group 7 halogens

Answer 5

diatomic non-metals

Question 6

state trends going down Group 7 (2)

Answer 6

increasing density
decreasing reactivity

Question 7

what is the appearance of chlorine at rtp

Answer 7

a pale, yellow-green gas

Question 8

what is the appearance of bromine at rtp

Answer 8

a red-brown liquid

Question 9

what is the appearance of iodine at rtp

Answer 9

a grey-black (or brown-purple) solid

Question 10

describe the transition elements (5)

Answer 10

metals that:
have high densities
have high melting points
form coloured compounds
often act as catalysts as elements and in compounds

Question 11

describe and explain the Group 8 noble gases

Answer 11

unreactive, monoatomic gases because they have a full outer electron shell and do not want to react with other elements