Predict which of the following nuclides is most likely to be a stable nucleus. 206
Pb
82
226
Ra
88
272
Bh
107
14
с
6
13
7
N

Schrodinger and heisenberg developed an alternate theory about atomic nature that contradicted some of bohr's model of the atom. how do changes resulting from new technology and evidence affect the reputation of the atomic theory?

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have

What is a metal replacement reaction