Basic Chem Vocab Flashcards
Endothermic
A process that absorbs heat
Exothermic
A process that releases heat
Concentration
How much of a substance in an amount of mixture
Salts
An ionic compound that dissolves in a solvent
Ion
An atom or molecule that has acquired a charge by either gaining or losing electrons
Element
A substance composed of atoms with identical atomic number
Products
A substance that is produced during a chemical reaction
Chemical reaction
A chemical change which forms new substances
Temperature
Measurement of the average kinetic energy of the particles in a substance
Dilute
Having a low concentration or lowering the concentration
Metalloids
An element with both metallic and nonmetallic properties. Found along stair step
Compound
A material formed from elements chemically combined in definite proportions
Mass
Amount of matter in a substance ( g or k)
Aqueous
A substance dissolved in water
Nonmetals
A substance that easily gains electrons to form negative ions. Found to the right of the stair step