# How Many Neutrons Does Arsenic Have?

Arsenic has 42 neutrons,according to scientific reports. This metalloid is generally characterized by 4 energy levels, 33 electrons and 33 protons in its structure.
Reference:
In its most abundant isotope, arsenic has 42 neutrons.
To calculate the number of neutrons in an isotope of any element, use the formula Mass Number - Atomic Number = Number of Neutrons.
You can find the number of neutrons by subtracting the atomic number from the atomic mass. The atomic number of Arsenic is 33, and the atomic mass is roughly 75. 75-33 = 42 neutrons.
Q&A Related to "How Many Neutrons Does Arsenic Have?"
 33 protons and 33 electrons. The number of neutrons depends on the isotope. As-75 isotope has 42 neutrons. http://wiki.answers.com/Q/What_are_the_protons_ele...
 42 neutrons. Think of it this way: Arsenic 75. The number of protons and electrons of an element are always the same. Well, we obviously know that there are 33 electrons in arsenic http://wiki.answers.com/Q/How_many_neutrons_are_in...
 There are 33 protons and 41 neutrons in the atom arsenic. http://wiki.answers.com/Q/How_many_protons_and_neu...
 Arsenic has 42 neutrons and has a boiling point of 613 C. ChaCha! http://www.chacha.com/question/what-is-the-number-...
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