Question

Three electrons are removed from each of 4 atoms. Write an expression to represent the net change on the charge for the group of atoms.

Answer 1

Answer:

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Step-by-step explanation:

The charge of each electron is -1, so the charge of the electrons is -3. Removing something is denoted by a negative sign. The expression ti represents the removal of three electrons from each of four atoms is (-3)(-4)