Ch 8 Les 1 Flashcards
(21 cards)
Product
A new substance resulting from a chemical change.
Chemical Reaction
A change or reaction that creates a new kind of matter with different properties from the original matter.
Reactivity
The ability of elements to take part in a chemical reactions.
Precipitate
The solid product of a chemical reaction in a solution.
Metal
A substance that conducts heat and electricity.
Conductivity
The degree to which heat or electricity flows through a substance.
Insulator
Something that resistance to energy, such as heat, electricity, or sound.
Superconductor
A material that resistance to electrical flow at extremely low temperatures.
Malleable
Capable of being rolled or pounded into flat sheets.
Ductile
Capable of being drawn into wire or thread.
Corrosion
The gradual weakening and wearing away of something, usually due to a chemical reaction.
Alloy
A mixture of two or more elements, usually metals.
Salt
A white substance that is found in sea water and in the earth.
Acid
A substance that tastes sour, sharp or biting.
Indicator
A person or thing that indicates.
Base
A compound that reacts with an acid to from a salt.
Neutralization Reaction
The reaction that occurs when an acid and a base react to form water and salt.
Acidity
The strength of an acidic solution.
Alkalinity
The strength of a base solution.
ph Scale
The scale that measures the amount of acid or base solution.
Reactant
An original substance at the beginning of a chemical reaction.