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CIE iGCSE Co-Ordinated Science C8.2 Group I properties Exam Style Questions Paper 1

CIE iGCSE Co-Ordinated Science C8.2 Group I properties Exam Style Questions Paper 1

Question

Which row about the trends in the elements going down Group I of the Periodic Table is correct?

▶️Answer/Explanation

Ans :C

Question

Which statement about sulfur is correct?
(A) It is a metallic element.
(B) It is used to make sulfuric acid.
(C) It is in Group VII of the Periodic Table.
(D) An atom of sulfur contains 32 electrons.

▶️Answer/Explanation

Ans : B

Question

The elements in Group I of the Periodic Table are metals.
What are the trends as the group is descended?
(A)  decrease in melting point and less reactive with water
(B)  decrease in melting point and more reactive with water
(C)  increase in melting point and less reactive with water
(D) increase in melting point and more reactive with water

▶️Answer/Explanation

Ans: B

Question

Potassium is in Group I of the Periodic Table.
Which statement about potassium is correct?
(A)  It is a relatively hard metal.
(B)  It is less dense than lithium.
(C)  It has a higher melting point than sodium.
(D)  It reacts more vigorously with water than sodium.

▶️Answer/Explanation

Ans : D

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