The electrons in the atoms of four elements A, B, C and D are distributed in three shells having 1, 3, 5 and 7 electrons respectively in their outermost shells. Write the group numbers in which these elements are placed in the Modern Periodic Table. Write the electronic configuration of the atoms of B and D and the molecular formula of the compound formed when B and D combine.
Answers
Answered by
20
Answer:
Group number:
A - 1st, B - 13th, C - 15th, D - 17th
B = 2, 8, 3
D = 2, 8, 7
Molecular Formula: BD3
Answered by
5
Answer:
Group number:
A - 1st, B - 13th, C - 15th, D - 17th
B = 2, 8, 3
D = 2, 8, 7
Explanation:
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