Play
Introductory Chemistry Terms

Introductory Chemistry Terms

Mastery: 0%
Click on any card to view the other side. To master this BrainRush, click Play.
Tags: science   ela   chemistry   rst.9-10.4   rst.11-12.4   high school   ngss   introduction   element   atom   hs-ps1-7   ps1-7  

Share This BrainRush:

Element
back
A pure chemical substance consisting of only one type of atom and defined by its atomic number.
front
Atomic Number
back
The number of protons in the atomic nucleus.
front
Nucleus
back
The central part of an atom that consists of protons and neutrons.
front
Neutron
back
A neutral particle present in the nucleus of an atom. Its mass is almost identical to a proton's mass, but it has no charge.
front
Proton
back
A positively-charged particle present in the nucleus of an atom. Its mass is almost identical to a neutron's mass.
front
Electron
back
A negatively-charged particle that exists outside of and surrounds the nucleus of an atom. Its mass is significantly smaller than that of a proton or a neutron.
front
Nucleon
back
The particles that makes up the nucleus of an atom. The two known kinds are the proton and the neutron.
front
Atom
back
The smallest unit of an element or substance. It consists of protons, neutrons, and electrons.
front
Compound
back
A substance created when two (or more) different elements are bonded together chemically.
front
Molecule
back
A substance created when two (or more) atoms are bonded together chemically - the atoms can be the same element or different elements.
front
Isotopes
back
Atoms that share the same atomic number (or number of protons), but have a different number of neutrons.
front
Atomic Symbol
back
A notation system consisting of a chemical element's abbreviated name and can include information like atomic mass, atomic number, and charge.
front
Atomic Mass
back
The total number of protons and neutrons in an atom.
front
Atomic Weight
back
The weighted average of the atomic masses of all of the naturally-occurring isotopes of an element.
front
Molecular Weight
back
The total sum of all of the atomic weights of the atoms in a molecule; measured in atomic mass units (amu).
front
Molar Mass
back
The mass of one mole of a substance; measured in grams per mole (g/mol).
front
Mole
back
A measurement defined as the amount of any substance that is equal to the number of elementary entities in 12 grams of pure carbon-12, which is equal to the Avogadro Constant.
front
Avogadro Constant
back
The number of particles per mole of a given substance.
front