Chapter 3 Atomic Structure Notes

Front

What is the atomic structure?

Back

The atomic structure refers to the arrangement of protons, neutrons, and electrons in an atom.

Front

What are protons?

Back

Protons are positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutrons are neutral particles found in the nucleus of an atom.

Front

What are electrons?

Back

Electrons are negatively charged particles that orbit the nucleus of an atom.

Front

What is the nucleus of an atom?

Back

The nucleus is the central part of an atom, containing protons and neutrons.

Front

What is the significance of atomic number?

Back

The atomic number indicates the number of protons in an atom and determines the element.

Front

What is the mass number?

Back

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

Front

How do isotopes differ from each other?

Back

Isotopes are atoms of the same element that have different numbers of neutrons.

Front

What is an ion?

Back

An ion is an atom that has gained or lost one or more electrons, resulting in a charge.

Front

What is the electron configuration?

Back

Electron configuration is the distribution of electrons in an atom's orbitals.