Question

(-3/10+5/-7)+7/9=-3/10+(5/-7+7/9​

Answer 1

Answer:

maximum number of electrons that can be filled in Shell R2 and in a shell R8 if K and l shells are full than total number of atoms will be 2 + 8 is equals to 10

Answer 2

Answer:

Hai,

Here is your answer,

It can be proved by the property know as ASSOCIATIVE PROPERTY

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