Chemistry Paper 2 June 2023, Question 1 7 marks
Use the Periodic Table to help you answer this question.
Name the element with atomic number 14.
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Name the element in Group 2 and Period 3.
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Name an element that is a liquid at room temperature.
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Give the electronic configuration of an atom of phosphorus.
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Give the formula of sodium sulfide.
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Explain, in terms of electron configuration, why neon is unreactive.
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