Zr 94: half life 1,1.1017 years, double beta decay Zr 96: half
life 2,0.1019 years, double beta decay
View page
There are two types of beta decay, and they are beta plus (beta +) decay and beta minus (beta -) decay. A post already exists on beta decay, and a link to that related question can be found below.
View page
give off nuclear radiation
View page
Radium-226 does not decay by beta decay. It decays by alpha
decay to radon-222.