Significats de atomic number 99 en anglès

And no one could have created his namesake element, number ninety-nine, einsteinium, without knowledge of both theories.

Getting enough einsteinium (element ninety-nine) to even think about leapfrogging to element 101 required bombarding plutonium for three years.

For each attempt to create 101, the scientists dabbed invisibly tiny bits of einsteinium onto gold foil and pelted it with alpha particles.

The team discovered elements ninety-nine and one hundred, einsteinium and fermium, in radioactive coral after a hydrogen bomb test in the Pacific in 1952.

While things like carbon are relatively easy to photograph, Einsteinium requires a little more photographic license.