Required Answer :-
option ( c ) is right Answer
We know that, The structure of Atom comprises of its nucleus and the organization of the electrons around it. The primary structure of an atom consists of protons, electrons and neutrons. The nucleus of the atom is composed of protons and neutrons. The nucleus of the atom is surrounded by the electrons. The total number of protons in the nucleus is termed as the atomic number.
- There are equal numbers of protons and electrons in the neutral atoms. But, in order to increase their stability atoms may gain or lose electrons. As a result, a charged entity is found which is called an ion.
- Because of the different number of protons and electrons atoms of different elements have distinguished atomic structures. The above phenomenon results in the unique characteristics of different elements.
- All the matters are composed of atoms.Atoms are indivisible and indestructible.
- Each and every atom comprise of its own constant mass that differs from element to element.
- During a chemical reaction, atom get rearranged.
- There is neither creation nor destruction of atoms, the only transformation from one form to another can be possible.
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