Apuntes
Chemistry revision
Contenido del apunte (2)
Página 1
Mass number = number of protons = number of neutrons
Atomic number = number of protons
the number of electrons is the same as the number of electrons.
The first shell can only hold 2 electrons but each shell after that can hold 8
Group number = last number in the electron configuration
Página 2
Información
- Descripción
- heklp
- Creado por
- Erin Copeman · ene 2019
- Actualizado
- 8 feb 2019
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