Question

An element two electron what is the atomic no of the elements​

Answer 1

Answer:

2

atomic no. is given by the no. of protons in an atom. so, if this element, in its neutral form has 2 electrons, which must be same as the no. of protons, the element has 2 as its atomic number.

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Answer 2

Atomic number = 2

atomic number = number of protons = number of electrons.

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