Atomic Mass Calculator

The Atomic Mass Calculator determines the atomic mass of an element, along with its unit and symbol. It is a quick and easy way to find the combined mass of protons, neutrons, and electrons in an atom.

What is Atomic Mass?

Atomic mass represents the total mass of an atom, taking into account its protons, neutrons, and electrons. It is expressed in atomic mass units (amu) and is symbolized by "u".

Since electrons are about 1,836 times lighter than protons, their contribution to the total mass of most atoms is negligible.

Atomic Mass Formula:

Atomic mass is expressed in atomic mass units (u), also known as Daltons (Da). An atomic mass unit (Dalton) is 1/12 of the mass of a carbon atom. Therefore, the unit of atomic mass is 1.66 \times 10^-27 kg 27kg.

Atomic mass (u) = number of neutrons + number of protons

OR

\ A = N + Z

Where:

• A = atomic mass number
• Z = number of protons
• N = number of neutrons

Why does an Atom Need a Neutron?

As we know the atom has a neutral charge and it require neutrons for some reason: to add mass to the nucleus and stabilize it against the repulsive force between positively charged protons. The atomic mass calculator makes their determinations easy.

However, all the positive charges are concentrated in the center of the proton. Just as charges repel, there is a force that tries to destroy the core or nucleus of an atom. The opposite of this force is the strong nuclear force that exists between neutrons and protons.

Therefore, the total amount of strong nuclear attraction can be increased by adding neutrons to prevent atomic destruction. However, the Mole Calculator helps you to calculate the number of moles of a substance based on the molecular weight and the quantity of that material.

Steps To Use The Calculator:

The atomic weight calculator determines the atomic mass by the following steps:

Input:

• Enter number of protons (Z) and number of neutrons (N)
• Press the "calculate" button

Output:

• Atomic mass number
• SI units of atomic mass
• Atomic Symbol