A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes

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Question 12
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This question is about atoms and molecules.

a.

Which subatomic particle has no electrical charge (is neutral)?

  • Electron
  • Neutron
  • Proton
[1]
b.

Which subatomic particle has a relative charge of +1 and a relative mass of 1?

  • Electron
  • Neutron
  • Proton
[1]
c.

The chemical formula of dinitrogen trioxide is N2O3\text{N}_2\text{O}_3N2​O3​.

How many of each type of atom are in one molecule of N2O3\text{N}_2\text{O}_3N2​O3​?

  • Nitrogen:
  • Oxygen:
[2]
d.

An atom of element Y Y\,Y contains:

  • 7 electrons
  • 7 neutrons
  • 7 protons

Give the name of element YYY. Use a periodic table to help you.

[1]
e.

Complete a diagram representing an atom of element Y Y\,Y to show the position of all its particles. Use the following symbols:

  • ×\times× = electron
  • ∙\bullet∙ = neutron
  • ◯\bigcirc◯ = proton

Blank atom template diagram with a central nucleus and two concentric rings

[2]

A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes Questions

  1. GCSE
  2. /Chemistry
  3. /A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes