Groups in the periodic table

Question 1

What are 2 general properties of metals?

Answer 1

1. Bendy

2. good conductors

Question 2

Fill in the gap:

Alkali metals are _____ and have ______ melting points

Answer 2

1. Soft

2. Low

Question 3

What are the elements in group 7 known as?

Answer 3

Halogens

Question 4

Fill in the gaps:

Halogens react with ____ to form metal _____

Answer 4

1. metals

2. Halides

Question 5

Fill in the gap:

Halogens react with ______ to form hydrogen ____

Answer 5

1. Hydrogen

2. Halides

Question 6

What do more reactive halogens do to the less reactive ones?

Answer 6

They displace them

Question 7

What is one use of argon?

Answer 7

creates inert atmosphere in filament lamps

Question 8

What is one use of helium?

Answer 8

Balloooooooonnnns

Question 9

what is metallic bonding

Answer 9

1. Electrostatic forces between the declocalised electrons

Question 10

What does the giant metallic structure and strong bonds mean?

Answer 10

1. Metals have high melting and boiling points

2. Atoms can slip and slide

Question 11

Fill in the gap:

Group 0 elements are all ____, ________________ gases

Answer 11

1. Inert

2. Colourless

Question 12

Why is argon used in light bulbs?

Answer 12

1. It is non flammable

Question 13

Why is Helium used in balloons?

Answer 13

1.It has a lower density than air so, making the balloon float