Determine what elements are denoted by the following electron configurations: 5) 1s2 2s2 2p6 3s2 3p4
6)
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1

5. Sulphur .

Explanation:

sulphur has the electron configuration above because it has 16 atomic number

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