Shell Diagram For Calcium. The shells surrounding the nucleus contain the electrons which have a negative charge. Atomic spectrum a representation of the atomic spectrum of calcium.
The next six electrons will go in the 2p orbital. 20 electrons occupy available electron shells rings. It has a melting point of 1339oc and reacts readily with acids making it a base.
Image to be added soon number of energy levels.
The shells surrounding the nucleus contain the electrons which have a negative charge. The diagrams show two ways of representing this electron transfer. Calcium the 20 th element has two further electrons that go in the fourth shell. It has a melting point of 1339oc and reacts readily with acids making it a base.