15 terms

Concept 1.2: Solutions

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Terms in this set (...)

mass
the amount of matter in an object
Matter
material that has mass and takes up some amount of space
element
a pure substance that cannot be broken down into simpler substances by chemical reactions
molecule
two or more atoms joined together
solubility
the ability of a substance to be dissolved in a liquid
dissolve
to add a solid material to a liquid in such a way that its particles completely disperse into the liquid, usually becoming invisible within the liquid
solution
a mixture in which a solid and a liquid or two liquids are mixed so evenly, that it is not possible to see the separate particles
Chlorine
an element that is a greenish gas at room temperature
Periodic table of elements
the chart scientists use to organize & classify all the known elements
homogeneous
a substance in which all of the parts are the same throughout (i.e. a homogeneous mixture is a mixture that is the same throughout - milk is an example)
Physical Change
change to matter where NO NEW matter is created
Indicator
substance that changes color in the presence of an acid or base (it shows us if the substance is acidic or basic)
Neutralization
reaction that occurs when an acid and base are mixed
Acid
substance with a high pH level
Base
substance with a low pH level