Question

What is an ion?

a compound that contains two elements

an atom or particle with a positive or negative charge

a particle in the nucleus of an atom that has no charge

a group of two or more atoms that acts like one atom

Answer 1

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What is an Ion ?

Ions refers to atoms that gain a net charge on it due to transfer of electrons.

so, the correct choice will be :

" An atom or particle with a positive or negative charge "

Answer 2

A atom or particle with a positive or negative charge

Step-by-step explanation: