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Chemistry 1CH0 · Edexcel (Pearson) GCSE

Atomic Structure

5 past-paper questions on Atomic Structure · examined 2018–2023.

20231 question

1CH0/1 · M/J · Q6(b)(i) [1]Sign up to mark my answer →

Magnesium atoms have 12 electrons. Complete the electronic configuration of a magnesium atom. (1) 2.8. ...............................

20184 questions

1CH0/1 · M/J · Q1(a)(i) [1]Sign up to mark my answer →

What do the dots and crosses represent in the diagram? (1) A electrons B neutrons C protons D nuclei

1CH0/1 · M/J · Q3(a)(i) [2]Sign up to mark my answer →

Atoms contain electrons, neutrons and protons. Draw one line to link each particle to its correct relative charge.

1CH0/1 · M/J · Q3(a)(ii) [1]Sign up to mark my answer →

Which of the following is the relative mass of a proton? A 0 B 1 1837 C 1 D –1

1CH0/1 · M/J · Q3(c) [3]Sign up to mark my answer →

Figure 4 shows the atomic number and mass number of two isotopes of argon. Describe the structure of an atom of argon-38 and of an atom of argon-40.

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