Nihonium
Isotopes
Nihonium has no stable or naturally occurring isotopes. Several radioactive isotopes have been synthesised in the laboratory, either by fusing two atoms or by observing the decay of heavier elements.

Nihonium

Section Title: Isotopes
Table Section Text: Nihonium has no stable or naturally occurring isotopes. Several radioactive isotopes have been synthesised in the laboratory, either by fusing two atoms or by observing the decay of heavier elements.

Isotope	Half-life	Decay mode	Discovery year	Discovery reaction

Recent publications	Ref	NUBASE 2016

278Nh	1.4 ms	2.3 ms	α	2004	209Bi(70Zn,n)

282Nh	73 ms	140 ms	α	2007	237Np(48Ca,3n)

283Nh	75 ms	160 ms	α	2004	287Mc(—,α)

284Nh	0.91 s	0.93 s	α, EC	2004	288Mc(—,α)

285Nh	4.2 s	3.3 s	α	2010	289Mc(—,α)

286Nh	9.5 s	7 s	α	2010	290Mc(—,α)

287Nh	5.5 s	—	α	1999	287Fl(e−,νe)

290Nh	2 s	—	α	1998	290Fl(e−,νe)

Sentence(s)

The isotope ²⁸⁵Nh, as well as the ²⁸⁷Nh and ²⁹⁰Nh, have half-lives of over a second.
The isotope ²⁸⁵Nh, as well as ²⁸⁷Nh and ²⁹⁰Nh, have half-lives of over a second.

final_sentence: The isotope ²⁸⁵Nh, as well as the ²⁸⁷Nh and ²⁹⁰Nh, have half-lives of over a second.
final_sentence: The isotope ²⁸⁵Nh, as well as ²⁸⁷Nh and ²⁹⁰Nh, have half-lives of over a second.