Using the periodic table write down the symbols for the following elements and give their physical states at room temperature a chromium b krypton c osmium

The symbol for the element chromium according to the periodic table is Cr, symbol for the element krypton is Kr and symbol for the element osmium is Os.

Explanation:

Periodic table where the elements are arranged in a manner according to electronic configuration, atomic number and recurring chemical properties. Chromium is a 'transition metal' with atomic number 24 and it is solid in state at room temperature. Krypton is a 'noble gas' with atomic number 36 and it is gaseous state at room temperature. Osmium is a 'transition metal' with atomic number 76 and it is solid in state at room temperature. These symbols, atomic numbers and physical state of the above elements are said according to the periodic table.