Question

period 3 in modern periodic table contains -----​

Answer 1

The third period contains eight elements: sodium, magnesium,aluminium, silicon, phosphorus,sulfur, chlorine, and argon. The first two, sodium and magnesium, are members of the s-block of the periodic table, while the others are members of the p-block.

Answer 2

Answer:

The third period contains eight elements: sodium, magnesium, aluminium, silicon, phosphorus, sulfur, chlorine, and argon.

The first two, sodium and magnesium, are members of the s-block of the periodic table, while the others are members of the p-block.

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