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CHO AQA Trilogy Chemistry Topic 1 (Mid topic)

Total questions: 53

Worksheet time: 27mins

Name
Class
Date
1.
What is the relative mass of a neutron?
a)
1
b)
-1
c)
0
d)
1/2000
2.
What is the relative mass of an electron?
a)
1/2000
b)
1/200
c)
0
d)
-1
3.

What is the relative atomic mass of lithium?

a)

7

b)

2

c)

4

d)

14

4.
To the nearest hundred, how many elements are there on the periodic table?
a)
100
b)
200
c)
300
d)
400
5.
Which description best describes an isotope?
a)
Same number of protons, different number of neutrons
b)
Same number of protons, different number of electrons
c)
Same number of neutrons, different number of protons
d)
Same number of electrons, different number of neutrons
6.
How many times heavier is a proton in comparison to a neutron?
a)
They are the same
b)
2
c)
2000
d)
4
7.

What is the atomic number of helium?

a)

1

b)

2

c)

3

d)

4

8.

How many protons does an atom of titanium have?

a)

22

b)

48

c)

26

d)

70

9.

How many neutrons does an atom of titanium have?

a)

26

b)

48

c)

22

d)

70

10.

How many electrons does an atom of boron have?

a)

5

b)

11

c)

6

d)

don't know

11.

How many neutrons does an atom of hydrogen have?

a)

0

b)

1

c)

2

12.

What is the relative atomic mass of potassium?

a)

39

b)

19

c)

20

13.

What is the relative charge of a neutron?

a)

0

b)

+1

c)

-1

d)

1/2000

14.

What is the relative charge of a proton

a)

+1

b)

0

c)

-1

d)

1/2000

15.

What is the relative charge of an electron?

a)

-1

b)

+1

c)

0

d)

1/2000

16.

Why are atoms neutral?

a)

They have the same number of protons and electrons

b)

They have the same number of neutrons and electrons

c)

They have the same number of protons and neutrons

17.

What property determines the element that an atom is?

a)

number of protons

b)

number of neutrons

c)

number of electrons

d)

mass number

18.

Which scientist discovered the electron?

a)

Thompson

b)

Rutherford

c)

Bohr

d)

Chadwick (Chadders to his mates)

19.

Which scientist discovered the nucleus?

a)

Thompson

b)

Rutherford

c)

Bohr

d)

Chadwick (Chadders to his mates)

20.

Which scientist discovered the neutrons?

a)

Thompson

b)

Rutherford

c)

Bohr

d)

Chadwick (Chadders to his mates)

21.

Which scientist proposed that electrons orbited the nucleus at fixed distances?

a)

Thompson

b)

Rutherford

c)

Bohr

d)

Chadwick (Chadders to his mates)

22.

Which is the best definition of the plumb pudding model?

a)

Ball of positive charge with negative electrons randomly embedded

b)

Ball of negative charge with positive electrons randomly embedded

c)

Concentrated mass of positive charge surrounded by negative electrons

d)

Concentrated mass of negative charge surrounded by positive electrons

23.

How many electrons are in the second shell of a carbon atom?

a)

4

b)

2

c)

6

d)

12

24.

What is the electron configuration of a calcium atom?

a)

2.8.8.2

b)

2.8.10

c)

20

d)

2.8.8.1

25.

What is the electronic configuration of a lithium atom?

a)

2.1

b)

3

c)

1.2

d)

2.5

26.

What is the electron configuration of a magnesium atom?

a)

2.8.2

b)

2.8.8.2

c)

12

d)

24

27.

How many electrons does an oxygen atom have in its outermost shell?

a)

2

b)

6

c)

8

d)

16

28.

How many electrons does an aluminium atom have in its second shell?

a)

8

b)

10

c)

3

d)

2

29.

What do all elements in group 1 have in common?

a)

They all have 1 electron in their outer shell

b)

They all have the same number of electrons

c)

They all have the same number of neutrons

d)

They all have the same number of filled electron shells

30.

What does the larger number for an element show you on the periodic table

a)

relative atomic mass

b)

mass number

c)

atomic number

31.

The number of electrons in the outer shell is the same as the elements...

a)

group number

b)

atomic number

c)

relative atomic mass

d)

period number

32.
What scientist is best known for his "Plum Pudding" model of the atom?
a)
J.J. Tomson
b)
Ernest Rutherford
c)
John Dalton
d)
Democritus
33.
A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass
a)
Electron Shells
b)
Orbitals
c)
Electron Cloud
d)
Nucleus
34.

Which letter represents a proton?

a)

A

b)

B

c)

C

d)

D

35.
Which letter represents a neutron?
a)
A
b)
B
c)
C
d)
D
36.
What is the atomic number of this nucleus?
a)
1
b)
3
c)
4
d)
7
37.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
DNA and RN
38.

Group 1 elements are also known as

a)

Noble gas

b)

Halogen

c)

Alkaline earth metals

d)

Alkali metals

39.

Arrange the elements in group 1 from the top to bottom of the group.

a)

Li, Na, K, Fr, Rb, Cs

b)

Li, Na, K, Rb, Fr, Cs

c)

Li, Na, K, Rb, Cs, Fr

d)

Fr, Cs, Rb, K, Na, Li

40.

What gas is given off when group 1 elements reacts with water?

a)

Hydrogen

b)

Oxygen

c)

Carbon dioxide

d)

Helium

41.

When a group 1 element reacts with water, a hydroxide is formed. What colour would Universal Indicator turn in this solution?

a)

Green

b)

Blue

c)

Yellow

d)

Red

42.

How many electrons are in the outer shell of group 1 elements?

a)

0

b)

1

c)

2

d)

3

43.

Why does the reactivity of group 1 elements increases down the group?

a)

It becomes more reactive

b)

It becomes easier to accept an electron

c)

It becomes easier to lose an electron

d)

It becomes less reactive

44.

How many electrons are there on the outer shell of the Halogens?

a)

1

b)

2

c)

7

d)

9

45.

Which Halogen is the most reactive?

a)

Bromine

b)

Fluorine

c)

Iodine

d)

Chlorine

46.

Are the Halogens toxic?

a)

Yes

b)

No

47.

At room temperature, iodine is a....

a)

Gas

b)

Liquid

c)

Solid

48.

At room temperature, chlorine is...

a)

a green gas

b)

a brown gas

c)

a green liquid

d)

a brown liquid

49.

Which is the least reactive?

a)
b)
c)
d)
50.

What do you call the Group 0 elements?

a)

Halogens

b)

Noble Gases

c)

Alkali Metals

51.

How many electrons are in the outer shell of the Group 0 elements?

a)

Full shell of electrons

b)

8 electrons

c)

0 electrons

52.

Why are the Group 0 elements unreactive?

a)

Their outer shell is empty

b)

Their outer shell is half full

c)

Their outer shell is full

53.

Which is NOT a property of Group 0 Elements?

a)

odourless

b)

reactive

c)

colourless

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