Nelson land chemistry test

Anything that takes up space
the study of what makes up matter and how it changes
chemical change
any change that changes the chemical makeup of something
physical change
a change of what matter looks like. change in state

change in shape
breaking of solid
change in size

how many of each atom there are
how many of each molecule there is
chemical reactions
a change in the mollecular structure of a substance
the solid that comes from a chemical reaction
endothermic reaction
a reaction where the substance takes in heat
exothermic reaction
a reaction in which the substance releases heat
chemical bonds
any interaction between chemicals that creates a new compound
the process of burning something
what is made from a chemical reaction
what there is before a chemical reaction, what reacts
chemical equations
a written out description of a chemical reaction
a substance that increases the rate of a chemical reaction without itself going under a chemical change
something that slows down a chemical reaction without itself undergoing a chemical change
a liquid mixture in which the minor component (the solute) is uniformly distributed (dissolved) within the major component (the solvent)
name the four types of chemical reactions
single replacement, double replacement, synthesis, decomposition
what are the diatomic molecules
Hydrogen, Nitrogen, Oxygen, Fluorine, Chlorine, Bromine, Iodine
What is a diatomic molecule
A molecule composed of two of the same atoms.

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