18 neutrons.
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Chlorine typically has 18 neutrons in its nucleus, which accounts for its atomic weight of 35.45 g/mol.
17 same number as protons equal charge balance
Chlorine is a chemical element with atomic number 17, which means it has 17 protons in its nucleus. In its natural form, it has two stable isotopes, chlorine-35 and chlorine-37. These isotopes have different numbers of neutrons but the same number of protons, making them the same element.
The element chlorine has seven electrons in its valence shell.
CL is not an element; it is the symbol for chlorine, which is a chemical element with atomic number 17.
Chlorine is an element. It is a chemical element with the symbol Cl and atomic number 17 on the periodic table. It exists as a diatomic molecule in its natural state.