How many electrons in an atom can have the quantum numbers n = 4, l = 0, ml = 0, ms = +1/2?

a)1

b)2

c)3

d)6

A)1

Explanation:

Only one electron can have the given set of quantum numbers. This is because no two electron in an atom can have the same set of quantum numbers

they are both synthetic elements

explanation:

d

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