Answer to Question #140607 in General Chemistry for April

Question #140607

Find the atomic number of the elements with the following quantum number:

1. n=2, l=0, m=0, s=-1/2

2. n=4, l=3, m=1, s=-1/2

Expert's answer

1. Beryllium atomic number 4

2. Erbium atomic number 68

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