Electronic structure

1.

Multiple Choice

30 sec

1 pt

What is the centre of an atom called?

nucleus

core

atomic centre

2.

Multiple Select

30 sec

1 pt

Which two sub-atomic particles are in the nucleus of an atom?

protons

electrons

neutrons

3.

Multiple Choice

1 min

1 pt

Why does an atom have no overall charge?

An atom has an equal number of positive electrons and negative protons.

An atom has an equal number of positive protons and negative electrons.

There are no charged sub-atomic particles in an atom to give it an overall charge.

4.

Multiple Choice

1 min

1 pt

Which piece of information from the periodic table can you use to work out the number of electrons in an atom?

relative atomic mass

atomic symbol

element name

atomic (proton) number

5.

Multiple Choice

1 min

1 pt

How many electrons are there in a sodium atom?

11

23

12

34

6.

Multiple Choice

1 min

1 pt

How many electrons are there in a phosphorus atom?

15

31

16

47

7.

Multiple Choice

1 min

1 pt

How many electrons are there in the lowest energy level (first shell) of a sodium atom?

2

8

11

1

8.

Multiple Choice

1 min

1 pt

How many electrons are there in the second energy level (second shell) of an aluminium atom?

13

2

3

8

9.

Multiple Choice

1 min

1 pt

There are 8 electrons in the second energy level of an argon atom. How many electrons are there in the third energy level (third shell) of an argon atom?

12

8

2

10.

Multiple Choice

1 min

1 pt

True of false?

The electrons in an atom occupy the lowest available energy level.

true

false

11.

Multiple Choice

1 min

1 pt

An oxygen atom has 8 electrons. What is the electronic structure of oxygen?

2,6

26

2/6

2.6

12.

Multiple Choice

1 min

1 pt

What is the electronic structure of chlorine?

2,8,7

2,8,5,2

2/8/7

2.8.7

13.

Multiple Choice

1 min

1 pt

What is the electronic structure of fluorine?

2,7

2,5,2

2/7

2.7

14.

Multiple Choice

1 min

1 pt

A magnesium atom has 12 electrons. What is the electronic structure of magnesium?

2,8,2

2,10

2,6,4

4,6,2,

15.

Multiple Choice

1 min

1 pt

A nitrogen atom has 7 electrons. What is the electronic structure of nitrogen?

2,5

7

5,2

3,4

16.

Multiple Choice

1 min

1 pt

What is the electronic structure of boron?

2,3

5

23

3,2

17.

Multiple Choice

1 min

1 pt

What is the electronic structure of chlorine?

2,8,7

2,7,8

17

278

18.

Multiple Choice

1 min

1 pt

A carbon atom has 6 electrons. What is the electronic structure of carbon?

2,4

24

2 4

4,2

19.

Multiple Choice

1 min

1 pt

What is the electronic structure of sulfur?

2,8,6

2,6,8

16,32

4,6,6

20.

Multiple Choice

1 min

1 pt

What is the electronic structure of neon?

2,8

2,10

2 8

28

21.

Multiple Choice

1 min

1 pt

What is the electronic structure of silicon?

2,8,4

(2,8,4.

2,12

2,4,8

22.

Multiple Choice

1 min

1 pt

How many electrons are there in the highest energy level of a beryllium atom?

2

4

9

2,2

23.

Multiple Choice

1 min

1 pt

How many electrons are there in the highest energy level of a hydrogen atom?

1

2

24.

Multiple Choice

1 min

1 pt

How many electrons are there in the highest energy level of a potassium atom?

1

19

8

7

25.

Multiple Choice

1 min

1 pt

How many electrons are there in the highest energy level of a calcium atom?

2

8

10

6

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