Atomic Structure Flashcard

Front

What is the element symbol for Sodium?

Back

Na

Front

What does the nucleus of an atom contain?

Back

Protons and neutrons

Front

What is the maximum number of electrons that can be found in the second shell (energy level)?

Back

8

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.

Front

What is the element symbol for Copper?

Back

Cu

Front

What are protons?

Back

Positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutral particles found in the nucleus of an atom.

Front

What are electrons?

Back

Negatively charged particles that orbit the nucleus of an atom.

Front

What is an atomic number?

Back

The number of protons in the nucleus of an atom, which determines the element.

Front

What is an isotope?

Back

Atoms of the same element that have different numbers of neutrons.