| sentence | sentece |
|---|---|
| An aluminum ion with 13 protons and 10 electrons has a ____ charge because there are __ more positive protons. | +3, 3 |
| When _______ is transferred from one atom to another an ____ _____ is formed. | Electrons, ionic bond |
| The number of electrons in the _________ energy level is the most important factor in determining how an atom will bond. | Outermost |
| Ca+O>>>CaO is balanced because you have __ Ca on each side and __ on each side | 1, 2 |
| ___________ ____________ is a covalent compound. | Dinitrogen dioxide |
| There are ___ sodium atoms in 7Na 3 PO 4 because 7x 3=21 | 21 |
