Arsenic protons neutrons electrons

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Arsenic protons neutrons electrons
Arsenic protons neutrons electrons

Arsenic has 33 protons, 42 neutrons, and 33 electrons.

Arsenic protons

  • Protons = atomic number

From the periodic table, find the atomic number of arsenic.

Arsenic location on periodic table

The atomic number of arsenic is 33. Hence, arsenic has a total of 33 protons.

Arsenic neutrons

  • Neutrons = atomic mass – atomic number
Arsenic neutrons

The atomic mass of arsenic is 74.9216, so we’ll take the roundup value as 75. And the atomic number of arsenic is 33.

Subtract the atomic number (33) from the atomic mass (75). Hence, arsenic has a total of 75 – 33 = 42 neutrons.

Arsenic electrons

  • Electrons = atomic number
Arsenic electrons

The atomic number of arsenic is 33. Hence, arsenic has a total of 33 electrons.

Next: Selenium protons neutrons electrons

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Learnool.com was founded by Deep Rana, who is a mechanical engineer by profession and a blogger by passion. He has a good conceptual knowledge on different educational topics and he provides the same on this website. He loves to learn something new everyday and believes that the best utilization of free time is developing a new skill.

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