Concept explainers
Interpretation:
Out of Ar, Cs, Br and Ra which form cation must be identified along with explanation.
Concept introduction:
Electropositive elements prefer to lose electrons to form cation.
Answer to Problem 209A
Cs and Ra will form cation.
Explanation of Solution
Cs and Ra both are electropositive metals. Cs belongs to group 1 which is known as alkali metal group. Ra belongs to group 2 which is alkaline earth metal group. Cs and Ba will lose 1 and 2 electrons respectively to form Cs+ and Ra2+ ions.
Cs and Ra will form cation.
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