Atomic structure

Front

What is atomic mass?

Back

The atomic mass is the weighted average mass of an element's isotopes, measured in atomic mass units (amu).

Front

What subatomic particles are found in the nucleus of an atom?

Back

Protons and Neutrons.

Front

What is the charge of a proton?

Back

Positive charge.

Front

What is the charge of a neutron?

Back

Neutral (no charge).

Front

What is the charge of an electron?

Back

Negative charge.

Front

How do you calculate the number of neutrons in an atom?

Back

Number of Neutrons = Atomic Mass - Atomic Number.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is the significance of the atomic mass of an element?

Back

It helps in determining the amount of substance in a given mass and is crucial for stoichiometry in chemical reactions.

Front

What is an isotope?

Back

Isotopes are variants of a particular chemical element that have the same number of protons but different numbers of neutrons.

Front

What is the relationship between atomic mass and isotopes?

Back

The atomic mass of an element is the average of the masses of its isotopes, weighted by their natural abundance.