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Atomic Mass

Atomic mass is the mass of protons, neutrons, and electrons in a single specific atom.

1,752 Questions

What is the atomic mass of magnesium phosphate?

Magnesium phosphate comes in a variety of forms - depending on the degree of hydration. The dehydrate has a mass of 262.855 grams per mole.

Why is the atomic mass of nobelium a whole number?

The atomic mass of nobelium reported as a whole number is usually the average atomic mass of its isotopes, taking into account the natural abundance of each isotope. Since this average is calculated from the weighted average of the isotopes' masses, the result often appears as a whole number.

The average atomic mass of an element is the average of the atomic masses of its?

The average atomic mass of an element is the average of the atomic masses of its isotopes (that is a weighted average). You have to take into account the abundance of each isotope when they do your averaging.

What is atomic mass of carbon fourteen?

slightly more than 14, carbon 12 has an atomic mass of 12 by definition, so 1 atomic mass = the sum of the mass of a proton neutron and electron divided by 2

neutrons are slightly heavier than the combined mass of an electron and proton carbon 14 has a higher percentage neutrons than carbon 12 so it is heavier relative to the number of particles in it's nucleus(14)

What the atomic mass tell the total number of?

The Atomic Mass of an element tells you what the mass of one mole (6.022 x 1023 atoms) of the element is. It sort of tells you the number of protons & neutrons in the atom, but that is not necessarily precise.

Does the mass of the atom effect the size of the mole?

A mole represents a number of Avogadro's Constant. It is same as naming 12 units a dozen. It is not related with the weight of atoms, molecules, ions or compounds.

What does atomic mass have to do with the weight of an element?

Matter is bound energy displacing space, the volume and density of displacement is the mass of the matter involved. Gravity is the attraction between matter displacing space, weight is measure of the force exerted by matter due to its gravitational attraction. Therefore the atomic mass of a collection of matter defines the gravitational attraction that matter will exert which will define the measurable weight of the matter in question.

Why atomic mass is called relative atomic mass?

Atomic mass is so small you can't actually measure it. So, just like carbon dating, you have to use a relative mass.

Was is the atomic mass number for oxygen?

The mass number is the sum of neutrons and protons in the atomic nucleus and is different for each isotope of any element.
For example the isotope oxygen-16 has the mass number 16.
The mass number is not the atomic mass !!


What element has an atomic mass of 50.942?

Vanadium is the element that has an atomic weight of 50.942.

What is the atomic mass for krypton rounded?

Krypton is a non meta element. Atomic mass of it is 84.

Do isotopes have the same atomic mass?

Nope, their chemical make up changes, changing the total atomic mass.

The atomic mass refers to the number of what?

The atomic mass is approximately the sum of the number of protons and neutrons.

What is the average atomic mass of tungsten?

If you look on a periodic table under the element tungsten which is represented as W, you will find the atomic mass on the top right side.

It's average weight is 183.84 and the atomic number of 74

How is the atomic mass calculated for neon?

Neon is a non meta element. Atomic mass of it is 20. Atomic number of it is 10.