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In total nine different isotopes of helium are known to exist.
Helium 3 (one neutron) and helium 4 (two neutrons, by far the most common isotope) are the only stable isotopes. The other 7 isotopes (helium 2, 5, 6, 7, 8, 9, and 10) are unstable and rapidly decay into stable isotopes.
What else can I help you with?
How many neutrons are in an atom I?
A typical atom of iodine contains 74 neutrons.
How many neutrons in a selenium atom?
45 neutrons
How many neutrons does a stable atom of Zn have?
A stable atom of Zinc (Zn) typically has 34 neutrons.
How do you calculate how many neutrons there are in a atom?
The atomic weight minus the number of protons = the atom's neutrons.
How many neutrons are in the center of a atom of niobium?
52 neutrons.
How many neutrons are in an atom of I?
A typical atom of iodine contains 74 neutrons.
How many number neutrons magnesium?
A stable magnesium atom has 12, 13 or 14 neutrons. The atom with 12 neutrons is the most common one.
How many neutrons have an atom with a mass number of 20 and 11 neutrons?
How many neutrons would it have if it had 11 neutrons? 11.
How many neutrons are in this atom?
3
How many neutrons are in atom?
3
How many neutrons in this atom?
3
How many neutrons are in an atom with z28 A59?
To find the number of neutrons in an atom, you can use the formula: neutrons = mass number (A) - atomic number (Z). For the atom with Z = 28 and A = 59, the number of neutrons would be 59 - 28 = 31. Therefore, this atom has 31 neutrons.
