Atomic structure

The structure of an atom

• The nucleus of an atom contains protons and neutrons.

• Most of the mass of the atom is in the nucleus.

• The masses and charges are weighed relative to each other because the actual values are so small.

• It would take about  protons to weigh 1g

• All atoms with the same number of protons are the same element.

Electrons

• Atoms are electronically neutral,…