Chemistry · May / June 2021 · Paper 12 · Question 26
Some properties which indicate the differences in elements are listed. 1 metallic character 2 number of electron shells in an atom 3 number of protons in an atom 4 total number of electrons in an atom Which two properties increase across a period of the Periodic Table?
- A1 and 2
- B1 and 3
- C2 and 4
- D3 and 4
As printed in the paper
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Correct answer: D. 3 and 4
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