METALS

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QUESTIONS

ANSWER BOX

1.

Give three properties of metals.

Solids, shiny, conduct electricity

2.

Give three properties of non-metals.

Mainly gases, poor conductors of heat and electricity

3.

Name two reactive metals.

Potassium, sodium, lithium

4.

Name two unreactive metals.

Gold,  silver, copper, lead

5.

Name a metal that bursts into flames when it reacts with water.

Potassium

6.

When calcium reacts with water a gas is given off. Name it.

Hydrogen

7.

When an acid reacts with zinc a gas is given off. Name it.

Hydrogen

8.

What do you see when an iron nail is put into sulphuric acid?

Bubbles

9.

Potassium reacts very fast with nitric acid, iron reacts quickly, but lead doesn't react at all.

Potassium

 

Place the metals in their order of reactivity, most reactive first.

Iron

 

 

Lead

10.

What two things are needed for iron to rust?

Water & Oxygen

11.

Give three ways of preventing iron from rusting.

Oil/grease, galvanise, coat in plastic, tin

12.

For oxidation to take place oxygen has to be added. Write a word equation for the oxidation of iron oxide

iron + oxygen -> iron

13.

zinc can displace lead from its compounds. Write a symbol equation to show the reaction between lead sulphate and zinc.

PbSO4 + Zn  +  Pb + ZnS04

14.

How do you test for hydrogen gas?

Lighted splint to top of test tube, squeaky POP

15.

Which element is important for the growth of plants and is included in many fertilisers?

Nitrogen

16.

Which element has many uses because of its strength, abundance and cheapness?

Iron

17.

Which element is used to make aeroplanes because it is so light?

Aluminium

18.

Is steel an element, a compound or an alloy?

Alloy

19.

Metals can be bent into any shape.

Malleability

 

What is this property called?

 

20.

In which group of the Periodic Table do the most reactive metals belong?

Group 1

21.

Group 8 contains all gases. What are they known as?

Rare or Noble gases

22.

What do the group numbers tell us about what is inside each atom?

How many electrons there are in the outer shell