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A flightless bird that lives in the south pole
penguin
Combustion that occurs when oxygen is not plentiful during the burning process.
incomplete combustion
[DOUBLE POINTS to 1st group]: A pure substance made of at least two different types of atoms that are chemically joined together
compound
[DOUBLE POINTS to 1st group]: a homogenous mixture of metals
alloy
A process in which steel is coated with a thin layer of zinc to help prevent corrosion.
galvinization
A corrosion reaction that specifically involves iron or an alloy containing iron.
rusting
Anything that has mass and takes up space
Matter
A new solid that forms during some chemical reactions.
precipitate
A small number written after an element symbol that tells how many atoms of that element are present.
subscript
[TRIPLE POINTS to 1st group]: Something that speeds up a chemical reaction so it occurs faster than it otherwise would.
catalyst
The chemical change of a metal caused by its slow reaction with oxygen.
corrosion