Question

can you say elements is atomic number is 54 and 99​

Answer 1

$\pink{54 - xenon}$

$\pink{99 - Einsteinium}$

Answer 2

Explanation:

Xenon is a chemical element with symbol Xe and atomic number 54.

Einsteinium is a synthetic element with the symbol Es and atomic number 99. As a member of the actinide series, it is the seventh transuranic element. Einsteinium was discovered as a component of the debris of the first hydrogen bomb explosion in 1952, and named after Albert Einstein.