University:
Miami University
Course:
CHM 141 | College Chemistry
Academic year:

2021
Views:

469

Pages:

2
Author:

Alma Stephenson

Name: ______________________________________________ Period:______ Date:____________ Atoms and Molecules Vocabulary Worksheet – Answers Hint Term Definition/Example/ Sample Atom The smallest particle of a given element that retains that elements chemical properties. Element The purest substance which cannot be broken down further using a chemical reaction. Molecule A collection of two or more atoms of the same or different element in a definite arrangement bonded together. Compound Molecules which contain different types of atoms. Subatomic particles Protons, neutrons and electrons which make up an atom. Name: ______________________________________________ Period:______ Date:____________ NH3 H2O 3CO2 Electron shell How the electrons occupy the area around the outside of the nucleus. Chemical bond The link between atoms which allows them to form molecules/compounds. Chemical formula The notation which shows the elements in a given molecule. Subscript The small numbers that tell you how many atoms of a specific type there are in a molecule Coefficient The regular-sized numbers that tell you how many molecules you have.