Chemistry/Biochemistry Vocabulary Flashcards
Gas
No definite shape, no definite volume
Liquid
No definite shape, definite volume
Solid
Definite shape, definite volume
Atom
The smallest particle of matter
Proton
The positive charged part of an atom’s nucleus
Neutron
The neutral charged part of an atom’s nucleus
Electron
The negative charged particle that orbits an atom’s nucleus
Ion
An atom that has lost or gained an electron
Ionic bond
Two or more molecules held together because of the opposite charges of the ions - A weak bond
Covalent bond
Two or more molecules held together due to the sharing of electrons - A strong bond
Compound
A substance that is held together with ionic bonds
Molecule
A substance that is held together with covalent bonds
Chemical formula
The chemical symbols of a substance - H2NO4
Chemical equation
The reactants and products of a chemical reaction
pH
The measure of the strength of an acid or base.