4
memorizing the Periodic Table up to carbon or so helps.
Be3N2
0 and +2 oxidation states
The atomic number of beryllium is 4.
Osmium has as many protons as it needs
2 protons
It has 26 protons.
Bohrium has 107 protons.
26 protons
39 protons
how many protons does the carbonate ion have?
Beryllium has 4 protons
Oxygen has eight protons.