Niamh Taylor
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National 5 Chemistry (Unit 1) Quiz on Atomic Structure, created by Niamh Taylor on 16/12/2015.

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Niamh Taylor
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Atomic Structure

Question 1 of 15

1

An element is a pure substance which cannot be made into any simpler substance by chemical means.

Select one of the following:

  • True
  • False

Explanation

Question 2 of 15

1

Columns are called periods and rows groups.

Select one of the following:

  • True
  • False

Explanation

Question 3 of 15

1

Protons have a .............. charge.

Select one of the following:

  • postive

  • negative

Explanation

Question 4 of 15

1

Electrons have a ............. charge.

Select one of the following:

  • positive

  • negative

Explanation

Question 5 of 15

1

The atoms of an element contain a equal numbers of protons and electrons and so have no overall charge.

Select one of the following:

  • True
  • False

Explanation

Question 6 of 15

1

Every element has a unique atomic number. This is the number of electrons in the nucleus of each atom.

Select one of the following:

  • True
  • False

Explanation

Question 7 of 15

1

Mass number =

Select one of the following:

  • number of protons + number of neutrons

  • number of neutrons + number of electrons

  • number of electrons + number of protons

Explanation

Question 8 of 15

1

The number of neutrons can be calculated by subtracting

Select one of the following:

  • the mass number from atomic number

  • the atomic number from the mass number

Explanation

Question 9 of 15

1

Fill the blank spaces to complete the text.

Metals form ions.
Non-Metals form ions.

Explanation

Question 10 of 15

1

In a chloride ion the atomic number gives us 17 protons.
The negative charge means we have one more electron than protons so we have 18 electrons.
The mass number minus the atomic number gives us 18 neutrons.

Select one of the following:

  • True
  • False

Explanation

Question 11 of 15

1

The seven diatomic

Select one or more of the following:

  • hydrogen

  • carbon

  • nitrogen

  • iodine

  • sodium

  • oxygen

  • chlorine

  • lithium

  • bromine

  • fluorine

Explanation

Question 12 of 15

1

The valency of sodium is 2.

Select one of the following:

  • True
  • False

Explanation

Question 13 of 15

1

The formula NaCl2 is correct for sodium chloride.

Select one of the following:

  • True
  • False

Explanation

Question 14 of 15

1

The formula Fe2(S04)2 is correct for iron(III)sulphate.

Select one of the following:

  • True
  • False

Explanation

Question 15 of 15

1

The formula for Sodium Sulphate is

Select one of the following:

  • NaSO3

  • NaSO4

  • Na2SO4

Explanation

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