Groups In The Periodic Table

Question 1

What group are neon gases?

Answer 1

0

Question 2

Name 5 noble gases

Answer 2

Helium

Neon

Argon

Xenon

Radon

Question 3

How many electrons does noble gases have on its outer shell?

Answer 3

Full outer shell

Question 4

Characteristics of noble gases

Answer 4

• colourless (room temperature)
• low MP & BP
• poor conductors
• inert

Question 5

What does inert mean?

Answer 5

Doesn’t react with anything

Question 6

Uses for helium

Answer 6

Used in balloons and airship

Question 7

Characteristics of helium

Answer 7

Very low density

Non-flammable

Question 8

Uses for neon

Answer 8

Long-lasting illuminated signs

Question 9

Use for argon

Answer 9

Added to the space above wine in a wine barrel

Question 10

Why is argon added above wine barrels?

Answer 10

Stops oxygen reaching with wine

Question 11

Density of argon?

Answer 11

Denser than air

Question 12

Monatomic

Answer 12

Made up of single atoms

Question 13

When you go down group 0…

Answer 13

BP
MP
Density increase

Question 14

What group is alkali metals?

Answer 14

1

Question 15

Name 6 of the alkali metals

Answer 15

Lithium

Sodium

Potassium

Rubidium

Caesium

Francium

Question 16

What is the equation for metal hydroxides?

Answer 16

Alkali metal + water —> metal hydroxide + hydrogen

Question 17

How many electrons on the outer shell of an alkali metal ?

Answer 17

1

Question 18

Physical properties of alkali metals

Answer 18

low BP & MP

Very soft

Question 19

What happens when lithium reacts with water?

Answer 19

Fizzing vigorously

Moves around the surface

Question 20

What happens when sodium reacts with water?

Answer 20

Fizzing

Heat energy melts metal into a ball

Question 21

What happens when potassium melts in water?

Answer 21

Fizzing

Floating

Lilac flame

Question 22

What can alkali metals form?

Answer 22

Ionic compounds

Question 23

As you go down the group 1…

Answer 23

Gets more reactive

Question 24

What group is the halogens?

Answer 24

7

Question 25

Name 5 of the halogens

Answer 25

Fluorine Chlorine Bromine Iodine Astatine

Question 26

How many electrons are on the outer shell of halogens

Answer 26

7

Question 27

What type of molecules are the halogens?

Answer 27

Diatomic

Question 28

Characteristics of chlorine

Answer 28

- fairly reactive - poisonous - green gas

Question 29

Characteristics of bromine

Answer 29

- poisonous | - red/brown liquid, giving of orange vapour

Question 30

Characteristics of iodine

Answer 30

- dark grey crystalline solid | - purple vapour (when heated)

Question 31

Test for chlorine

Answer 31

Damp blue litmus paper turns red then bleaches white

Question 32

As you go down group 7...

Answer 32

MP & BP increases Becomes less reactive

Question 33

What do halogens need to gain?

Answer 33

Need to gain 1 electron Forming 1- ion

Question 34

How can an halogen element get more reactive?

Answer 34

A smaller atomic radius, the easier it is to attract

Question 35

Why is it more reactive down the group?

Answer 35

It’s easier to attract the electron

Question 36

How does a hydrogen halide form?

Answer 36

Halogen + hydrogen —> hydrogen halide

Question 37

How does a metal halide form?

Answer 37

Halogen + metal —> metal halide

Question 38

Describe hydrogen halides

Answer 38

They are soluble They dissolve in water to become acid solutions

Question 39

What is a displacement reaction?

Answer 39

More reactive elements displaces a less reactive element from a compound