It is extremely radioactive; its most stable known isotope, Nihonium-286, has a half-life of about 10 seconds. In the periodic table, Nihonium is a transactinides element in the p-block. It is a member of Boron group.
K2 L8 M18 N32 O32 P18 Q3
1s2 2s1 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14 6d10 7p1
Yes
1.2×103
1.7×103
Alpha
2P1/2
283Nh
284Nh
285Nh
286Nh
287Nh