Counting the number of electrons in an atom
1 mark · EasyWhat is the number of electrons in a neutral atom of silicon, which has atomic number 14?
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14 (±0)
Common mistakes: Using an incorrect atomic number
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Marking points
A1 · 1 mark · Gives the correct number of electrons (14) for silicon.
Worked solution
Silicon has atomic number 14, so its neutral atom has 14 electrons.