Question

Identify the correct process that happens here:

• A. A has gained $2$ electrons and B has lost $2$ electrons
• B. A has gained $2$ electrons and B has gained $2$ electrons
• C. A has lost $2$ electrons and B has gained $2$ electrons
• D. A has lost $2$ electrons and B has lost $2$ electrons

Answer 1

The correct option is C A has lost $2$ electrons and B has gained $2$ electrons

Electrons has negative charge.

A body becomes positive charge by losing electrons and hence positive charge becomes more than negative charge and hence overall positive charge.

A body becomes negative charge by gaining electron and hence more negative charge on body than positive charge and hence overall negative charge.

$A^{++}$ means A has lost 2 electrons.

$B^{--}$ means B has gained 2 electrons.

Answer-(C)