The number of neutrons in an atom of an element can be calculated by subtracting the atomic number (number of protons) from the mass number. For example, in phosphorus (P), which has an atomic number of 15 and a mass number of around 31 (most common isotope), the number of neutrons would be around 31 - 15 = 16 neutrons.
Uranium 235 has 92 protons and 92 electrons. To find the number of neutrons, follow this equation: Mass # - Atomic # = # of neutrons. Since the mass number of uranium 235 is 235 and has an atomic number of 92, the number of neutrons is 143.
Number of neutrons is 48 (mass number) minus 21 (proton number) = 27 (neutron number)
The number of neutrons in one atom can vary depending on the element. Neutrons are one of the three main subatomic particles found in an atom, along with protons and electrons. The number of neutrons in an atom is calculated by subtracting the number of protons (atomic number) from the atomic mass of the atom.
The number of neutrons in an atom affects the atomic mass of an element. Neutrons contribute to the overall mass of the atom but do not affect its chemical properties.
There are varying isotopes of iodine, but typically an iodine atom has 74 neutrons.
To find the number of neutrons in an isotope, subtract the atomic number (number of protons) from the mass number (sum of protons and neutrons). The difference will give you the number of neutrons in the nucleus.
The mass of one specific isotope, called the mass number, is the total number of protons plus neutrons. M = P + NTherefore, for atomic number P, you would take the mass number minus the neutrons: P = M - N.
The number of neutrons in the nucleus is not the answer its wrong trust me Mass number = neutrons + protons. Atomic number = protons. Trust yourself to work out the difference.
how many neutrons there are in a phosphorus atom? The normal isotope of phosphorus is P - 31, which has 15 protons and 16 neutrons. Unstable isotopes are P-32 and P-33 which have 17 and 18 neutrons respectively.
Atomic number equals the number of protons, the (atomic) mass number equals the sum of (the number of) protons and neutrons of the same element.The answer is: they're differing in the number of neutrons(Mathematically: Where A = p and M = p + n, the difference in A and M is n)
The ratio of neutrons to protons in an atom can be calculated by subtracting the atomic number (number of protons) from the atomic mass (sum of protons and neutrons) of the atom. Mathematically, ratio of neutrons to protons = (Atomic mass - Atomic number).
Substract the atomic number (= number of protons) of Au (element) from the average atomic mass (= total number of protons and neutrons) of Au (mixture of isotopes, as been found in nature). This will give you a good approximation of what you asked. So: -79 (p) + 197,0 (n + p) = 108 neutrons
The element with 30 neutrons and 15 electrons is phosphorus. The number of neutrons in an element is determined by subtracting the atomic number from the atomic mass. Since phosphorus has an atomic number of 15 and an atomic mass of approximately 31, it has 30 neutrons.
Atomic number equals the number of protons, the (atomic) mass number equals the sum of (the number of) protons and neutrons of the same element.The answer is: they're differing in the number of neutrons(Mathematically: Where A = p and M = p + n, the difference in A and M is n)
Subtract number of protons (=atomic number) 3 from the total number of protons AND neutrons ( p+n = mass number) 7, leaves the number of neutrons 47-3=4
For Ca isotope 40 it is 20 neutrons and 20 protons, but there are 5 other naturally occurring (>2%) Ca-isotopes with mass numbers ranging from 42 - 48. Remember: p + n = mass number, so n = m - p
p,n =31,38 P=31 (from Periodic Table) N= 68.926-31=37.926