Question

1.what is atom and atomic mass, atomic number
show the periodic table.









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Answer 1

Explanation:

we all know that each substance which we can see are made up of small particles so particles are made of molecules and each molecule has its atom . we can say that the atom is the smallest entity but as more research are going on we came to know about the structure of atom containing electrons protons and neutron

atomic number is nothing but the no. of electrons present in the atom and

atomic mass Is the sum of proton and neutrons of an atom