sulfur is an element of the main subgroup of period 3,

Sulfur is an element of the main subgroup of period 3, an element of the sixth group, the atomic number is 16. The core is +16, the number of protons is 16, the neutron is 16. The total number of electrons is 16. They consist of 3 layers. The electronic formula of sulfur is 1S2, 2S2, 2p6, 3S23p4. Sulfur can be 2, 4, 6 Walden, and the degree of oxidation is -2, 0, +4, +6.
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