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Lutetium, a silvery-white rare-earth metal, comprises 71 protons, 104 neutrons, and 71 electrons.
Lutetium protons
- Protons = atomic number
From the periodic table, find the atomic number of lutetium.
The atomic number of lutetium is 71. Hence, lutetium has a total of 71 protons.
Lutetium neutrons
- Neutrons = atomic mass – atomic number
The atomic mass of lutetium is 174.967, so we’ll take the roundup value as 175. And the atomic number of lutetium is 71.
Subtract the atomic number (71) from the atomic mass (175). Hence, lutetium has a total of 175 – 71 = 104 neutrons.
Lutetium electrons
- Electrons = atomic number
The atomic number of lutetium is 71. Hence, lutetium has a total of 71 electrons.
Next: Hafnium protons neutrons electrons
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External links
- https://material-properties.org/lutetium-protons-neutrons-electrons-electron-configuration/
- https://valenceelectrons.com/lutetium-protons-neutrons-electrons/
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