An object becomes negatively charged when It gains electrons. Option A is correct.
The atom consists of matter that may be split without releasing electrical charges.
It's also the smallest unit of matter with chemical element features. As a result, the atom is the fundamental unit of science.
In the nucleus proton and the neutron is exists. The condition of the atom to be electrically neutral is that the number of the proton and electron should be the same.
An object becomes negatively charged when It gains electrons. Because the electron is a negative cahrge particle.
Hence, option A is correct.
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