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Edexcel IGCSE Chemistry 1.18 Periodic Table arrangement

Practise reading group, period and atomic number information, then interpreting simple Periodic Table data and plotted trends.

Syllabus
First assessment 2019
Course
Chemistry 4CH1

Exam points

  • identify elements from group and period positions or atomic numbers
  • plot Periodic Table data and choose a suitable axis scale
  • interpret trends between atomic number and relative atomic mass in a period

1.18 Periodic Table arrangement question 1

[Maximum number: 3]

The diagram shows part of the Periodic Table, with elements represented by the letters L, M, Q, R and T.

The letters in the diagram represent elements but are not their chemical symbols.

Figure for Question 1.18 Periodic Table arrangement question 1 — Edexcel IGCSE Chemistry

Question (a)

(a)

Give the letter from the diagram that represents a noble gas.

[ 1 ]

Question (b)

(b)

An atom of element Q has 31 protons.

Use this information to explain how you can determine the number of protons in an atom of element R.

[ 2 ]
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