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Atomic structure

Atomic structure

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Question 12

Different atoms of neon can be represented as 1020Ne{}^{20}_{10}\text{Ne}1020​Ne and 1022Ne{}^{22}_{10}\text{Ne}1022​Ne.

Complete the sentences below using the correct words or phrases from the list:

  • atomic numbers
  • isotopes
  • mass numbers
  • numbers of neutrons

These atoms of neon are called (i) ________ because their (ii) ________ are the same, but their (iii) ________ are different.

[3]
Markscheme

Atomic structure Questions

  1. IGCSE
  2. /Chemistry
  3. /Atomic structure

41 exam-style questions on Edexcel IGCSE Chemistry Atomic structure. Each one has a worked solution and a mark scheme showing where the marks go.

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