Question

Write metal,non-metal, noble gas, or compound for the following:

(v) Argon

Answer 1

Noble gas: Nobles gases are the element of group 18 of the modern periodic table. These elements are known as noble gases because they have stable electronic configurations.

Argon:

• Argon is a noble gas or inert gas because it is present in group 18 of the periodic table.
• The symbol of argon is ${\mathrm{Ar}}_{18}^{40}$ the atomic number 18 and the atomic mass number 40.
• Argon gas is used in light bulbs.
• Argon is non-corrosive ,non-inflammable,non-toxic gas.