The electronic configuration [the valence electrons is known by the last no after
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.
Answer:is it c 0.80-0.34
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my bsf told me the answer
Explanation:
Answer:
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