Question

what element is in group 2 period 3 on the periodic table

Answer 1

Answer:

Argon = gas.

Explanation:

Argon gas is a chemical element with Symbol Ar, and one of the noble gases. Argon is also the 3rd most abudant gas on earth. Argon is most commonly used as an inert shielding gas. Argon is Colorless, odorless, Non-Flammable, and Non-Toxic.

Answer 2

Periods are the horizontal boxes in which elements are filled by their atomic numbers. The element in the 3rd period of the 2nd group is Magnesium.

Periodic Table:

It is a table of all possible elements according to their atomic numbers and relative properties.

Period:

Periods are the horizontal boxes in which elements are filled by their atomic numbers.

Groups:

These are verticle columns that contain elements with similar properties.

The second group of the periodic table is the Beryllium group. The point where the third period merges with it has Magnesium.

Therefore, the element in the 3rd period of the 2nd group is Magnesium.

Learn more about the Periodic table:
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