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CBSE Class 9 Answered

Explain if electrons and protons in an atom is 4 then: (i) What is the atomic number of the atom? (ii) What is the charge on the atom?
Asked by Topperlearning User | 26 Aug, 2014, 03:16: PM
answered-by-expert Expert Answer
(i) Atomic number = Number of proton = Number of electrons
The atom has 4 electrons and 4 protons.
Therefore, the atomic number of the atom will be 4.

(ii) Atom as a whole is electrically neutral. There are 4 electrons and 4 protons in the atom. It has same number of negatively charged electrons and positively charged protons so there is no change on atom.

Answered by | 26 Aug, 2014, 05:16: PM
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