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Get Answers to all your Questions
An element 'X' belong to 3rd period and group 13 of the modern periodic table
a) Determine the valence electrons and the valency of 'X'
b) Molecular formula of the compound formed when 'X' reacts with an element 'Y'
c) write the name and formula of the compound formed when 'X' combines with chlorine
Answers (1)
1) Valency electron of X = 3
valency = +3
Explanation: - If the element belongs to the 3rd period and 13th group it will be aluminium (Al)
2) when Al combines with (Cl) chlorine, it will form
3) compound is aluminum chloride (AlCl3).
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