What is the mass number of a neutron?

Answer A neutron has a mass number of 1.0086649156 ± 0.0000000006 u, slightly more than the mass of a proton. In electronvolts, the mass is 939.56536 ± 0.00008 MeV.References:Particle Data Group; Review... Read More »

Top Q&A For: What is the mass number of a neutron

Where is the mass number on the periodic table?

On a periodic table of the elements, the relative atomic mass appears within each element box, underneath the abbreviation (chemical symbol) for the element. That number is often listed to five sig... Read More »

How to Use Avogadro's Number to Find Mass?

Avogadro's Number is approximately equal to 6.022 x 10^23. This quantity is the basis for another unit of measure commonly used in chemistry called the mole. One mole is a quantity equal to Avogadr... Read More »

What is the mass of Avogadro's number of atoms?

Avogadro's number is 6.02 x 10 to the 23rd power. It refers to the number of molecules or atoms in the quantity known as a mole. The mass of the mole is determined by the atomic weight of the compo... Read More »

How to Convert Mass to Number of Particles?

To find the number of particles in a substance from its mass, you could consider the mass of a single particle. This value is so small, however, that chemists instead base these calculations on the... Read More »