SSC Chemistry notes 3rd Chapter the structure of Matter

SSC Chemistry notes 3rd Chapter the structure of Matter. The structure of Matter. Every matter of the universe is made of small particles. They are so small that they are not even visible with the high-efficiency microscope. The name of the smallest particle of the fundamental element is called atom and the smallest particle of compounds are called molecule. Every atom has its own characteristics. A principal characteristic is its atomic number. Atom and molecule have actual and relative mass. Proton, electron, and neutron are the principal particles of the atom.

SSC Chemistry notes 3rd Chapter the structure of Matter

SSC Chemistry notes 3rd Chapter the structure of Matter

SSC Chemistry notes 3rd Chapter the structure of Matter

SSC Chemistry notes 3rd Chapter the structure of Matter

Nucleus, at the center of the atom, is composed of proton and neutron which bears the total mass of the atom. Electrons of the same number of proton move around the nucleus on various axis. The same elements again have atoms with different atomic mass which are called isotopes. They have multifarious usesĀ in various fields of human life.

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SSC Chemistry Note

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