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EVALUATION

Multi-select

Question

1. Which of the following is not true about alkaline earth metals?

Answers

a) They are found in group two.

b) They react by gaining two electrons.

c) They are divalent cations.

d) They have a metallic lusture.

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Question

2. Alkaline metals generally react with oxygen gas. Which of the following is true?

Answers

a) They form basic oxides.

b) They form metal peroxides.

c) They form a salt and water only.

d) They can not react with oxygen unless heated.

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Question

3. The following are alkaline earth metals except.

Answers

a) Barium

b) Radium

c) Magnessium

d) Caesium

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