What is the difference between the atomic number and the atomic mass?

Atomic mass is associated with the number of neutrons and protons that are present in a particular nucleus of an element. Atomic number is usually the number of protons present in an element's nucleus. It is the average weight of an element. It is the total number of nucleons in the atom's nucleus.

Explanation:

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atomic number is equal to no.of protons or no.of electrons and no.of neutros+atomic num=atomic mass

Explanation:

in above give the correct explanation

it would be b. 6co2 + 6h2o --> c6h12o6 + 6o2