Question #b4deb

1 Answer
Al E.
Jul 23, 2017

#Fr# — Francium.

Explanation:

What this question is asking: Find the left-most element on the periodic table; given that group 1A is left-most, what is the bottom-most element in group 1A?

Taking a gander at the periodic table, and we find #Fr# to satisfy this premise.

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