The charge of an atom has 5 protons, 5 neutrons, and 8 electrons is -3. Hence, Option (A) is Correct.
What is charge of atom ?
An atom consists of a positively charged nucleus, surrounded by one or more negatively charged particles called electrons.
The positive charges equal the negative charges, so the atom has no overall charge; it is electrically neutral
Let's see the charge of each particle first:
- proton: charge +1
- neutron: charge 0
- electron: charge -1
We have 5 protons, 5 neutrons and 8 electrons, so the total charge of the atom is:
Q = 5 x (+1) + 5 x (0) + 8 x (-1)
= 5 + 0 + (-8)
= -3
Therefore, The charge of an atom has 5 protons, 5 neutrons, and 8 electrons is -3. Hence, Option (A) is Correct.
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