Identify the elements having the electron configurations below. Write the symbol for the element.?

[Ne]3s23p2

[Ar]4s23d8

1s22s22p63s23p64s23d2

1s22s22p63s23p64s23d104p6

Answer:
[Ne]3s23p2 is silicon (Si).

[Ar]4s23d8 is nickel (Ni).

1s22s22p63s23p64s23d2 will be titanium (Ti).

1s22s22p63s23p64s23d104p6 is krypton (Kr).

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