Problem: How many valence electrons are in fluorine atom?

FREE Expert Solution

To determine the number of valence electrons of an atom, let’s first write its electron configuration.

Ground-state means that Carbon is in its lowest energy form (not in excited state). Carbon also has no charge (neutral element) which means that no electrons are removed or added in the atom.

Neutral element:       Atomic number = # protons = # of electrons


▪ Atomic number = 9

▪ # of electrons = 9 e-

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How many valence electrons are in fluorine atom?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Valence Electrons of Elements concept. You can view video lessons to learn Valence Electrons of Elements. Or if you need more Valence Electrons of Elements practice, you can also practice Valence Electrons of Elements practice problems.