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Introduction to chemistry

Total questions: 54

Worksheet time: 30mins

Name
Class
Date
1.
all matter is made of what 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
2.
all matter is made of what 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
3.
all matter is made of what 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
4.
The positive particles of an atom are 
a)
electrons 
b)
positrons 
c)
neutrons 
d)
protons 
5.
the central region of an atom where its neutrons and protons are is its 
a)
nucleus 
b)
electron cloud
c)
core 
d)
center 
6.
an atom with atomic number 6 would have how many protons 
a)
6
b)
12
c)
3
d)
cannot be determined 
7.
Particles in an atom that are neutral and have no charge are 
a)
negatrons 
b)
electrons 
c)
neutrons 
d)
protons 
8.
Carbon is considered an element while carbon dioxide is considered a compound. This is because carbon dioxide is –
a)
a gas at room temperature.
b)
made of two different elements.
c)
given off by green plants.
d)
useful to human beings.
9.
How many protons does this atom have?
a)
2.5
b)
6
c)
5
d)
10.811
10.
What part of the atom is the arrow pointing to?
a)
nucleus
b)
proton
c)
electron shell
d)
electron
11.
If the number of protons equal the number of _____, the atom will have no charge
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
12.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
13.
A combination of substances that are not chemically combined is called a(n)____________. 
a)
mixture
b)
compound
c)
physical
14.
An element is made up of only one kind of _____.
a)
isotope
b)
plastic
c)
atom
d)
metal
15.
What subatomic particles would you find in the nucleus of an atom?
a)
Protons only
b)
Protons and Neutrons
c)
Neutrons and Electrons
d)
Protons and Electrons 
16.
What subatomic particles would you find in the nucleus of an atom?
a)
Protons only
b)
Protons and Neutrons
c)
Neutrons and Electrons
d)
Protons and Electrons 
17.
What subatomic particle(s) would be found orbiting the nucleus?
a)
Neutrons only
b)
Electrons only
c)
Protons and Neutrons
d)
Protons and Electrons
18.
What are the 3 subatomic particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
19.
What are the 3 subatomic particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
20.

The word Science comes from the Latin word.....

a)

Scienty

b)

Sienta

c)

Scienta

d)

None of the Following

21.

I proposed the Atomic Theory

a)

P.C Ray

b)

John Dalton

c)

Marie Curie

d)

D.I Mendeleev

22.

What is Alchemy

a)

Turning Metals into Gold

b)

Turning Metals into Diamonds

c)

Turning Diamonds into metals

d)

Turning Gold into Metals

23.

Chemistry is a Branch of.....

a)

History

b)

Biology

c)

Science

d)

Geography

24.

I am useful in the Electronic Industry

a)

Silicon

b)

Germanium

c)

Clothing

d)

Cell

25.

Which of the following is not a building Material

a)

Mortar

b)

Bricks

c)

Steel

d)

Iron ore

26.

What did J.J Thomson Discover

a)

Electron

b)

Proton

c)

Radium

d)

Polonium

27.

Which of the following is not a Medicine

a)

Penicillin

b)

Paracetamol

c)

Aspirin

d)

Ampicillin

e)

Detergent

28.

Which of the Following is a Benefit of Chemistry

a)

Increased Pollution

b)

Explosives

c)

Depletion of Natural Resources

d)

Agriculture

29.

Chemistry experiments must be done in a......

a)

Classroom

b)

Food Industry

c)

Chemistry Lab

d)

House

30.

Chemistry is the same as Alchemy

a)

True

b)

False

31.

Necessary Safety Precautions must be taken before Performing any Chemical Experiments.

a)

True

b)

False

32.

Science is bifurcated into ___________ branches

a)

One

b)

Ten

c)

Two

d)

Three

33.

Which is a glass apparatus with a lip

a)

Test tube

b)

Flasks

c)

Retort

d)

Beaker

34.

It also support the wire gauze

a)

Test tube holder

b)

Beaker

c)

Tripod Stand

35.

Nicolas Flamel was an alchemist of which century

a)

20th

b)

16th

c)

13th

d)

14th

36.

Ammonium Nitrate is a

a)

Herbicides

b)

Pesticides

c)

Fertilizer

d)

Food preservative

37.

John Dalton was born in

a)

1744

b)

1896

c)

1756

d)

1766

38.

What do you mean by synthetic

a)

Man-made

b)

Natural

39.

Aspirin is a medicine used for

a)

Stomach ache

b)

Fever

c)

Pain

d)

Acidity

40.

A water soluble cleaning agent - not inactivated by hard water

a)

Detergent

b)

Cleanser

c)

Soap

d)

Petroleum Product

41.

The scientist who formulated the Periodic Table

a)

John Dalton

b)

Demitri Mendeleev

c)

Daniel Rutherford

d)

Nicolas Flamel

42.

Which among the following is a NOT matter?

a)

Air

b)

Gold

c)

Water

d)

Heat

43.
The amount of space something takes up
a)
density
b)
volume
c)
mass
d)
matter
44.

Chemistry is the study of the _____________ and behaviors of ______________.

a)

size, mass

b)

energy, matter

c)

properties, matter

d)

characteristics, life

45.

Gas law is given by

a)

Robert Boyle

b)

John Dalton

c)

Dimitri Mendeleev

d)

Max Planck

46.

Radioactivity is discovered by

a)

Pierre and Marie Curie

b)

Henri Becquerel

c)

John Dalton

d)

Both 1 and 2

47.

A homogeneous mixture of two or more than two metals or non-metals.

a)

Alloy

b)

Metals

c)

Non-metals

d)

None of the above

48.

The rusting of iron, the green coating on copper or blackening of silver items are all examples of

a)

Cellular respiration

b)

Oxidation reaction

49.

Alloy made of copper and tin is

a)

Brass

b)

Bronze

c)

Steel

d)

Silver

50.

It is a mixture of a large number of hydrocarbons.

a)

Fossil fuel

b)

Minerals

51.

Gems are __________ with an ornamental value.

a)

elements

b)

minerals

c)

ores

d)

alloys

52.

_____________ is composed of mainly coarse gravel or crushed stones such as limestone or granite, sand , cement and water

a)

Concrete

b)

Mineral

c)

Alloy

d)

Element

53.

___________________ plays an important role in trying to increase the availability of the food.

a)

Petrochemistry

b)

Pharmacology

c)

Agricultural chemistry

d)

All of the above

54.

Medicines can be administered in the form of

a)

tablets

b)

capsules

c)

injections

d)

all of the above.

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