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Question | Answer |
---|---|
atomic mass | the wigth of an atom as the mass wigth. |
atom | the smallest unit of matter. |
scintific evidence | it is usualy accepted by scintific evidence. |
protons | it is particle of an atomm found inside the nucles.and it is positive chrged |
neutrons | it is a particle of an atom found in sidethe nucleus. |
electrons | it is a particle of an atom found out side the nucleus.and itis negative charged. |
mass number | the number of atomic=the number of protons=the number of electron. |
nucleus | the center part of an atom that contain most of the massand it consists of protons and neutrons. |