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

EasyMedium
123456789101112131415161718
Question 5
Easy47%

This question is about atoms, elements, and compounds.

a.

Which subatomic particle has a positive electrical charge?

  • Electron
  • Neutron
  • Proton
[1]
b.

Which subatomic particle has a relative mass of approximately 111 and no electrical charge?

  • Electron
  • Neutron
  • Proton
[1]
c.

The chemical formula of carbon disulfide is CS2\text{CS}_2CS2​.

How many of each type of atom are in one molecule of CS2\text{CS}_2CS2​?

  • Carbon:
  • Sulfur:
[2]
d.

An atom of element XXX contains:

  • 333 electrons
  • 444 neutrons
  • 333 protons

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

[1]
e.

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

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

Blank atomic structure template showing nucleus and two empty shells

[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