Topic 6

Question 1

what groups are alkali metals in

Answer 1

1

Question 2

physical properties of alkali metals

Answer 2

-low melting+boiling points
-very soft

Question 3

what compounds do alkali metals form

Answer 3

ionic

Question 4

reactivity of alkali metals

Answer 4

-highly reactive
-get more reactive as you go down

Question 5

what happens when alkali metals react with cold water

Answer 5

-react vigorously
-produces hydrogen and hydroxide of the metal

Question 6

what group are halogens in

Answer 6

7

Question 7

physical propeties of halogens

Answer 7

-melting and boiling points increase as you go down

Question 8

reactivity of halogens

Answer 8

decreases going down

Question 9

what happens when halogens react with some metals?

Answer 9

-make metal halides
eg. sodium+chlorine->sodium chloride

Question 10

what happens when halogens react with hydrogen

Answer 10

-make hydrogen halides
-eg.hydrogen+chlorine->hydrogen chloride

Question 11

what group are noble gasses in

Answer 11

0

Question 12

electrons on noble gasses

Answer 12

full outer shell

Question 13

reactivity with noble gasses

Answer 13

dont react with much at all
-basically inert

Question 14

monatomic

Answer 14

all made up of single atom

Question 15

propety of noble gasses to dk with heat

Answer 15

highly flammable

Question 16

used of noble gasses

Answer 16

argon in lightbulbs+flash photos
helium in baloons

Question 17

patterns and properties of noble gasses

Answer 17

boiling and melting point snd density increase as you go down