CH-183
Proton and nucleon numbers
Chemistry · Secondary 3 · Medium · Proton and nucleon numbers
An element X has proton number 17 and nucleon number 35.
How many protons, neutrons and electrons are there in a chloride ion, Cl⁻, formed from X?
How many protons, neutrons and electrons are there in a chloride ion, Cl⁻, formed from X?
- 17 protons, 18 neutrons, 16 electrons
- 17 protons, 18 neutrons, 17 electrons
- 17 protons, 18 neutrons, 18 electrons
- 18 protons, 17 neutrons, 18 electrons
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