Which kind of investigations allow for the control of variables? O hypothesis
O experimental
O descriptive
O comparative

How will the emission of an alpha particle affect the atomic number of an atom

Answer from each drop-down menu. e characteristics of a borane molecule (bh). the lewis structure and table of electronegativities are given olecular shape is and the molecule is reset next erved. search e a

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from