groups in periodic table

Question 1

what is group 1?

Answer 1

alkali metals

Question 2

features of alkali metals

Answer 2

low melting points

soft

very reactive

Question 3

what happens when alkali metals are put in water?

Answer 3

produces hydrogen gas

react vigorously

Question 4

what happens when lithium is put in cold water?

Answer 4

move around the surface

fizz

Question 5

what happens when sodium and potassium are put in cold water?

Answer 5

melt

light fire

Question 6

what is group 7?

Answer 6

the halogens

Question 7

what is the test for chlorine?

Answer 7

damp blue litmus paper over a gas

it will turn red then white

Question 8

what happens to reactivity in group 7?

Answer 8

decreases down the group

Question 9

what is a displacement reaction?

Answer 9

more reactive element displaces a less reactive element

Question 10

what is group 0?

Answer 10

noble gasses

Question 11

features of group 0?

Answer 11

colourless at room temp

inert (dont react)

monatomic (single atoms)

Question 12

what increases as you go down group 0?

Answer 12

boiling point

melting point

desnity