Chemistry, asked by shreyamahajan, 1 year ago

question 9 plz tell last part

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Answered by viveksagu
1
1.4valency electrons,

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Answered by Heta11
1
The element X belongs to 4th period and 17th group so it's Bromine (Br)
(refer a periodic table)

Element Y has 13 protons so it's atomic no. is 13 and it's Aluminum (Al)
When Al and Br reacts,
Al + 3Br ---->AlBr3
they form AlBr3
Aluminum Bromide.

Hope it helps
Please mark it brainliest.

Heta11: You want answer to only last one, right??
Heta11: Thanks for making my answer as brainliest.
shreyamahajan: yes welcome
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