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Worksheets

The properties and uses of the chemical elements

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

Which element is liquid at room temperature?

a)

Sodium (Na)

b)

Mercury (Hg)

c)

Iron (Fe)

d)

Copper (Cu)

2.

Are all metals hard?

a)

Yes. They are.

b)

No. Sodium (Na) can be cut easily with a knife.

3.

Which metal is very malleable, and because of this, it is used to wrap sandwiches?

a)

Silver

b)

Aluminum

c)

Sodium

d)

Albal

4.

Which non- metal is a good conductor of electricity as graphite?

a)

Carbon (C)

b)

Iodine (I)

c)

Phosphorus (P)

5.

Which metal is used to make the filament of lightbulbs?

a)

Iron (Fe)

b)

Copper (Cu)

c)

Wolfram (W)

d)

Mercury (Hg)

6.

Which metal has the highest melting point?

a)

Iron (Fe)

b)

Copper (Cu)

c)

Mercury (Hg)

d)

Wolfram (W)

7.

Which metal is used to make wires because of its high ductility?

a)

Copper (Cu)

b)

Iron (Fe)

c)

Sodium (Na)

d)

Gold (Au)

8.

Which element is the first one that has been made artificially?

a)

Iron (Fe)

b)

Sodium (Na)

c)

Technetium (Tc)

d)

Copper (Cu)

9.

Which metal is biocompatible because it has a density similar to our bones?

a)

Wolfram (W)

b)

Titanium (Ti)

c)

Technetium (Tc)

10.

It is one of the very few substances that turn from solid to vapour when it is heated. The vapour is purple.

a)

Bromine (Br)

b)

Chlorine (Cl)

c)

Iodine (I)

11.

It is very used in jewellery and its normally mixed with copper. The purity is expressed in karats

a)

Gold (Au)

b)

Silver (Ag)

c)

Nickel (Ni)

12.

It was used for a long time in thermometers.

a)

Gallium (Ga)

b)

Wolfram (W)

c)

Mercury (Hg)

13.

What are the strongest magnets made of?

a)

Iron (Fe)

b)

Nickel (Ni)

c)

Chromium (Cr)

d)

Neodymium (Nd)

14.

This element is lighter than air, which makes it perfect for balloons.

a)

Helium (He)

b)

Neon (Ne)

c)

Argon (Ar)

d)

Hydrogen (H)

15.

It is used to fill car lightbulbs.

a)

Hydrogen (H)

b)

Oxygen (O)

c)

Xenon (Xe)

d)

Nitrogen (N)

16.

When this metal is exposed to oxygen, it turns orange because a chemical change has been undergone and a new substance has been produced.

a)

Iron (Fe)

b)

Cobalt (Co)

c)

Nickel (Ni)

d)

Chromium (Cr)

17.

The salt you add to your salad contains one metal that can lead to high blood pressure (hypertension). What is it?

a)

Lithium (Li)

b)

Sodium (Na)

c)

Iron (Fe)

d)

Copper (Cu)

18.

What is the main component of air together with oxygen?

a)

Argon (Ar)

b)

Hydrogen (H)

c)

Nitrogen (N)

19.

What substance fills the airbag in car accidents?

a)

Oxygen

b)

Hydrogen

c)

Nitrogen

d)

Chlorine

20.

These metals are mixed with common steel to get stainless steel.

a)

Cr and Ni

b)

Fe and Na

c)

K and Pd

d)

Ag and Au

21.

Common lightbulbs contain two inert gases:

a)

krypton

b)

argon

c)

iodine

d)

oxygen

22.

Alkaline batteries contain an alkaline element. Which one of these?

a)

Li

b)

Na

c)

K

d)

Cs

23.

A halogen lamp is filled with a small amount of a halogen such as...

a)

fluorine

b)

chlorine

c)

bromine

d)

iodine

24.

One compound of this element is used to treat schizophrenia

a)

Li

b)

Na

c)

K

d)

Ca

25.

Which of these elements is used in catalytic converters to clean up emissions from gasoline and diesel vehicles?

a)

Ca

b)

Pt

c)

He

d)

Ag