Darmstadtium

Darmstadtium is atom number 110 — every Darmstadtium atom has exactly 110 protons in its center, and that number is what makes it Darmstadtium and nothing else. Its symbol is Ds. At room temperature it is a solid.

Darmstadtium is a chemical element with symbol Ds and atomic number 110. It is an extremely radioactive synthetic element. The most stable known isotope, darmstadtium-281, has a half-life of approximately 10 seconds.

Summary from the source dataset, derived from Wikipedia (CC BY-SA 3.0) · original article

Darmstadtium sits in period 7, group 10 of the d-block. Its 110 electrons fill shells of 2, 8, 18, 32, 32, 16, 2 — written as *[Rn] 5f14 6d9 7s1. Its electronegativity is — on the Pauling scale. The outermost shell holds 2 electrons — the ones that do all the chemistry.

Full configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14 6d8
Electron affinity: — kJ/mol · Electronegativity (Pauling): —
Density: 34.8 g/cm³ · melts — · boils —

Values exactly as published — see where the data comes from.