The Structure of an Atom Flashcards
To teach students about the structure of any atom in the known universe.
What is a nucleus?
The nucleus is the center of an atom. Made up of protons and neutrons, it is the heaviest part of an atom.
What is an atom?
An atom is the smallest unit of an element.
What is a proton?
A proton is a positively charged particle that makes up half of the nucleus.
What is a neutron?
A neutron is an uncharged particle that makes up half of the nucleus.
What is an electron?
An electron is a negatively charged particle that surrounds the nucleus at a high speed.
What is a molecule?
A molecule is a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound.
What is a quark?
A quark is the building matter of particles.
What is an amu?
amu (Atomic Mass Unit) is the measurement of the weight of a particle.
What are atomic shells?
Pathways surrounding the nucleus. Electrons.
What are valence electrons?
The outer electrons. On the furthest shell away from the nucleus.
What are valence shells?
The outer shell. Furthest away from the nucleus.
