Atoms

What are atoms composed of?

Atoms consist of a nucleus made up of protons and neutrons, surrounded by electrons.

What does the atomic number represent?

The atomic number is the number of protons in the nucleus of an atom, uniquely identifying an element and determining its position in the periodic table.

What is the mass number?

The mass number is the total number of protons and neutrons in an atom's nucleus, indicating the overall mass of the atom.

What are isotopes?

Isotopes are variants of a chemical element with the same number of protons but different numbers of neutrons, resulting in differing mass numbers.

How do isotopes affect the properties of an atom?

Isotopes can affect the stability and radioactive properties of an atom.

What is the role of electrons in an atom?

Electrons are negatively charged particles that orbit the nucleus, influencing chemical bonding and the element's chemical properties.