Which existing element would the chemistry of element 119 most resemble?

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$Ac (Z = 89)$

$Ra CZ = 88)$

$Rn (Z = 86)$

$Fr (Z = 87)$

answer is B.

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Detailed Solution

118th element are known as the noble gas. Here, element 119 belongs to 1st group.
In the first group, we have H, Li, Na, K, Rb, Cs, Fr.
Thus, from given options, Fr element would the chemistry of element 119 moat resemble.

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