Is darmstadtium a metal?

Darmstadtium's chemical category has not been confirmed by experiment, so it is listed with unclassified properties.

How many protons does darmstadtium have?

Darmstadtium has 110 protons. Its atomic number is 110, which is also the number of electrons in a neutral atom of darmstadtium.

What group and period is darmstadtium in?

Darmstadtium is in group 10 and period 7 of the periodic table, in the d-block.

What is the atomic mass of darmstadtium?

The atomic mass of darmstadtium is 281 u (unified atomic mass units).

Element 110

Darmstadtium (Ds)

Element with unclassified properties · Period 7 · Group 10 · d-block

Darmstadtium (Ds) is element 110 of the periodic table, an element with unclassified properties in period 7, group 10 (d-block) with an atomic mass of 281 and is a solid at standard conditions.

At a glance

Atomic number: 110
Symbol: Ds
Atomic mass: 281 u
Category: Unclassified properties
Period: 7
Group: 10
Block: d-block
Phase at STP: solid

Electron structure

Electron configuration: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2 6p6 5f14 6d8 7s2
Shorthand configuration: [Rn] 5f14 6d8 7s2
Electrons per shell: 2, 8, 18, 32, 32, 16, 2
Oxidation states: +8

Physical properties

Darmstadtium has only ever been produced in quantities too small to weigh or observe in bulk. The physical and atomic values below are theoretical predictions from periodic trends and relativistic calculations, not measurements.

Density: 34.8 g/cm³ (predicted)
Phase: solid

Atomic properties

Covalent radius: 128 pm (predicted)
First ionization energy: 960 kJ/mol (predicted)

Notable isotopes

Notable isotopes of Darmstadtium: mass number, atomic mass, natural abundance, and stability.
Isotope	Mass	Abundance	Stability
Ds-281	281.16451	-	Half-life 14 seconds

Common uses

Scientific research only

Discovery

Year: 1994
Discovered by: Sigurd Hofmann
Country: Germany

Frequently asked questions

Is darmstadtium a metal?: Darmstadtium's chemical category has not been confirmed by experiment, so it is listed with unclassified properties.
How many protons does darmstadtium have?: Darmstadtium has 110 protons. Its atomic number is 110, which is also the number of electrons in a neutral atom of darmstadtium.
What group and period is darmstadtium in?: Darmstadtium is in group 10 and period 7 of the periodic table, in the d-block.
What is the atomic mass of darmstadtium?: The atomic mass of darmstadtium is 281 u (unified atomic mass units).

Keep exploring

Darmstadtium's row is on the printable element property sheet, and its tile is on the periodic table wall chart - the same numbers as above, laid out for A4 or A3 paper.