The atomic number in an element is usually how many protons the element has. For example, Hydrogen has a 1 on top of the H (on the periodic table), therefore, Hydrogen has 1 proton. Oxygen has an 8 on top of the O (on the periodic table) so therefore, Oxygen has 8 protons.
Explanation:
Appearance, melting point, density, solubility, polarity
Answer:
There are 16 protons, 18 electrons and 16 neutrons. I hope this helped:)
