An atom or molecule with more protons or electrons resulting in an overall positive or negative net charge.
How to find the amount of neutrons
Atomic mass - Atomic Number
Which group of elements cannot naturally create compounds and why?
Noble gases because they have a full valence shell and exist as single atoms
How do elements obtain a full valence shell?
Metals - Transfer electrons with non-metals, creating an ionic compound.
Non Metals - Share their electrons with each other, forming a covalent compound.
How do metals form a full outer shell?
Metal atoms lose electrons to form a positive ion called an anion - because it now has more protons than electrons, the atom has a positive charge.
How do non-metals form a full outer shell?
Non-metal atoms gain electrons to form a negative ion called an anion - because it now has more electrons than protons, the atom has a negative charge.
