Question

Write IUPAC names & symbols of two elements having atomic no. 109 & 111.​

Answer 1

Answer:

The roots are put together in the order of the digits which make up the atomic number and terminated by 'ium' to spell out the name.

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Nomenclature of Elements of Atomic Numbers greater than 100.

Atomic number Name Symbol

109 Unnilennium Une

110 Ununnilium Uun

111 Unununium Uuu

112 Ununbium Uub

Explanation:

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Answer 2

Answer:

Meitnerium

Meitnerium (Mt), an artificially produced element belonging to the transuranium group, atomic number 109. It is predicted to have chemical properties resembling those of iridium.

Explanation:

Roentgenium

Roentgenium is a chemical element with symbol Rg and atomic number 111.