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What is the chemical formula for a compound between li and br? libr li2br libr2 libr3
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What is the chemical formula for a compound between li and br? libr li2br libr2 libr3

User Marlin Pierce
by
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1 Answer

2 votes

Answer:

LiBr.

Explanation:

  • Li has 3.0 electrons in his atom and its electronic configuration is 2,1.
  • Br has 35.0 electrons i his atom and its electronic configuration 2,8,18,7.
  • Li has only one electron in its outermost shell and needs losing it to reach stability.
  • While, Br has 7 electrons in its outermost shell and needs gaining 1.0 electron to reach stability "octet rule".
  • So, Li and Br bonded by 1:1 ratio and the chemical formula is LiBr.
User Steward
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