Answer: with? i can help:))
Explanation:
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Bohr model is valid only for hydrogen and hydrogen-like species, but quantum mechanical model can explain all elements....
Ionic, think about the way metals share electrons with other metals, resulting in malleability.
Answer:
1)Around 450 B.C., the Greek philosopher Democritus introduced the idea of the atom.
2)All matter is made of atoms, Atoms are indivisible and indestructible.Compounds are formed by a combination of two or more different kinds of atoms, A chemical reaction is a rearrangement of atoms.
3)B
Explanation:
