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

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.

a high pressure system is a dense air mass that is usually cooler and drier than the surrounding air. a low pressure system is a less dense air mass that is usually wetter and warmer than the surrounding air.

in general, areas that experience high atmospheric pressure also experience fair weather. low pressure systems can cause the formation of clouds and storms. air usually flows from areas of high pressure to areas of low pressure..