Atoms consist of protons, neutrons and electrons
Protons and electrons have equal and opposite charges. Protons are positively charged, and electrons are negatively charged
Neutrons have no electric charge. They are neutral.
Atomic number
=number of protons
(=number of electrons)
Mass number = number of protons + neutrons
Atoms are arranged in the periodic table in order of their atomic number
Comments
No comments have yet been made