Which represents a balanced nuclear equation? o 3 Na —>24 Mg + H
o 34 Na —>34 Mg +
e
0
o A1—>24 Mg +_
-1
1
o 32 Mg —> Mg +

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

16- counting by fours

They are all solids.