Sentence examples for atomic number 43 from inspiring English sources

Technetium (atomic number 43) is the only d-block element that has not been isolated from the Earth's crust.

It was not until 1937 that Italian mineralogist Carlo Perrier and Italian-born American physicist Emilio Segrè produced atomic number 43 (technetium) in a cyclotron.

They announced the detection of the two predicted elements: atomic number 43, which they called masurium, after the region in Prussia that Noddack had come from, and atomic number 75, which they called rhenium, after the Latin name for the Rhine River.

Technetium is a chemical element with symbol Tc and atomic number 43.

A bar of pure uranium, for instance, would consist entirely of atoms with atomic number 92.

Gadolinium has the symbol Gd and atomic number 64.

Darmstadtium (Ds), artificially produced transuranium element of atomic number 110.

Roentgenium (Rg), artificially produced transuranium element of atomic number 111.

Copernicium (Cn), artificially produced transuranium element of atomic number 112.

The third series extends from lanthanum (symbol La, atomic number 57) to mercury (symbol Hg, atomic number 80).

The second series includes the elements yttrium (symbol Y, atomic number 39) to cadmium (symbol Cd, atomic number 48).