Energy released from atomic reactions is called?

Is there a diagram/picture you can provide? it seems this question goes along with a

Variables,control,conclusion and finally scientific theory

Abbreviated as mg-25.

If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom