1. How does metal or compounds give off different colours when heated?
2. The way in which electron are distributed in the different orbitals around the nucleus of an atom is called ______.
2. The way in which electron are distributed in the different orbitals around the nucleus of an atom is called ______.
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1. When you heat an atom, some of its electrons are "excited* to higher energy levels. When an electron drops from one level to a lower energy level, it emits a quantum of energy. The different mix of energy differences for each atom produces different colours. Each metal gives a characteristic flame emission spectrum.
2. Electron Configuration.