C4- CHEMICAL PATTERNS

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1. If you know the formula and the charge of one ion, you can....

  • work out how many neutrons are in the ion.
  • work out the charge of the other in which it is being reacted with.
  • work out how many protons are in the ion.
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2. If there are 4 protons in an atom, how many electrons are there?

  • 8
  • 4
  • 6

3. What is spectroscopy used for?

  • To investigated the boiling point of an element.
  • The discovery of new elements.
  • To investigate the melting point of an element.

4. Each ion has....

  • only an empty shell.
  • a full or empty shell.
  • a full or partly full shell.

5. What is the relative mass and charge of a neutron?

  • 1= 0
  • 2= -1
  • 0= +2
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