What is the atmoic mass of the unknown element located in between mo and ru

98.9062 amu

Explanation:

The element between molybdenum and ruthenium is technetium.

Its atomic is 98.9062 amu.

Its atomic number is 44.

Its melting point is 2200 °C.

Its density is 11.5 g/cm³.

It is silver gray metal.

It is present in VII-B group.

It is d-block element.

It has seven valance electrons.

Its electronic configuration is:

Tc₄₄ = [Kr] 4d⁵ 5s²

in theory, limestone is composed principally of the compound calcium carbonate - caco3, but in reality this compound is deposited in conditions involving a number of other compounds as impurities so it ends up being a mixture of many compounds.

hope this : -)

tony (lordcaos066)

radioactive decay occurs in unstable atomic nuclei – that is, ones that don't have enough binding energy to hold

the nucleus together due to an excess of either protons or neutrons.