Question

Difference between atomic mass and atomic weight.

Answer 1

Explanation:

Atomic mass is a mass of an atom whereas atomic weight is the weighted average of the naturally occurring isotopes.

Answer 2

Explanation:

atomic mass = no. of protons +no. of neutrons .Atomic Mass

Atomic Number

Atomic mass is associated with the number of neutrons and protons that are present in a particular nucleus of an element. Atomic number is usually the number of protons present in an element’s nucleus.

It is the average weight of an element. It is the total number of nucleons in the atom’s nucleus.

Atomic mass is denoted by A The letter Z is used to represent an atomic number.

Atomic mass cannot be be used to define the type of element. Atomic number mainly helps in the classification and identification of an element.

Atomic mass is also used to classify different isotopes of the same element Isotopes only share the same atomic number.

Atomic mass is mostly measured using atomic mass unit (amu). Atomic number is just a digit that is used to place elements in a periodic table.

atomic number = no. of protons or electrons