periodic table group 1 and group 7

Question 1

who discovered the periodic table

Answer 1

dimitri mendolov

Question 2

what do elements in the same group have

Answer 2

same number of outer shell electrons

Question 3

what is group 0 called

Answer 3

noble gasses

Question 4

what are the group 1 metals known as

Answer 4

alaki metals

Question 5

how reactive are group one metals

Answer 5

very

Question 6

what does group 1 metals form when put in water

Answer 6

metal hydroxide solution and hydrogen

Question 7

what does group 1 metals form when they react with oxygen

Answer 7

metal oxides

Question 8

what are group 1 metals more reactive down the group

Answer 8

atoms loose electrons more easily down the group

Question 9

what are group 7 known as

Answer 9

the halogens

Question 10

what happens to the colour and boiling point of the halogens as the atomic number increases

Answer 10

they have a darker colour and higher boiling point

Question 11

what coulour is chlorine

Answer 11

green

Question 12

what colour is bromine

Answer 12

red brown

Question 13

what colour is iodine

Answer 13

dark grey

Question 14

what is oxisations

Answer 14

loss of electrons

Question 15

what is gain of electrons

Answer 15

reduction