Question

1. 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 representively in their outermost shells. Write the group numbers in which these elements are placed in 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.​

Answer 1

Answer:

BD3 is the answer of the electrons in the atom of four elements

Answer 2

Answer:

Thanks for following...

Explanation:

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