CHEM 108 – UW–Madison Exam 1 Study Guide, Practice Questions & Review
matter - ANS ✔✔anything that takes up space and has mass
homogeneous mixture - ANS ✔✔mixture in which substances are evenly distributed (you
cannot see the different parts)
heterogeneous mixture - ANS ✔✔A mixture in which different materials can be distinguished
easily
element - ANS ✔✔matter made up of only one kind of atom
compound - ANS ✔✔A substance made up of atoms of two or more different elements joined
by chemical bonds
groups - ANS ✔✔Vertical columns on the periodic table
atomic number - ANS ✔✔the number of protons in the nucleus of an atom
mass number - ANS ✔✔the sum of the number of neutrons and protons in an atomic nucleus
amorphous solids - ANS ✔✔the particles are not arranged in a regular pattern
density - ANS ✔✔mass/volume ratio of an object
3 pillars of sustainability - ANS ✔✔environment, economy, society
, solution - ANS ✔✔A homogeneous mixture of two or more substances
solute - ANS ✔✔A substance that is dissolved in a solution.
solvent - ANS ✔✔A liquid substance capable of dissolving other substances
degasification - ANS ✔✔the process of a gas escaping from a liquid or solid
crystallization - ANS ✔✔dropping a out of a solution in a controllable manner in order to form a
structure with an ordered structural array
precipitation - ANS ✔✔solid dropping out of a homogeneous solution
precipitate - ANS ✔✔A solid that forms from a solution during a chemical reaction.
covalent bond - ANS ✔✔attraction between 2 nuclei and a shared pair of electrons, nonmetal
with nonmetal
ionic bonds - ANS ✔✔the attraction between two oppositely charged ions
polyatomic ion - ANS ✔✔A charged group of covalently bonded atoms
hydrocarbons - ANS ✔✔Compounds composed of only carbon and hydrogen, methane, ethane,
propane, butane
combustion - ANS ✔✔the rapid reaction of fuel with oxygen to release energy in form of heat
and light (chemical process of burning)
matter - ANS ✔✔anything that takes up space and has mass
homogeneous mixture - ANS ✔✔mixture in which substances are evenly distributed (you
cannot see the different parts)
heterogeneous mixture - ANS ✔✔A mixture in which different materials can be distinguished
easily
element - ANS ✔✔matter made up of only one kind of atom
compound - ANS ✔✔A substance made up of atoms of two or more different elements joined
by chemical bonds
groups - ANS ✔✔Vertical columns on the periodic table
atomic number - ANS ✔✔the number of protons in the nucleus of an atom
mass number - ANS ✔✔the sum of the number of neutrons and protons in an atomic nucleus
amorphous solids - ANS ✔✔the particles are not arranged in a regular pattern
density - ANS ✔✔mass/volume ratio of an object
3 pillars of sustainability - ANS ✔✔environment, economy, society
, solution - ANS ✔✔A homogeneous mixture of two or more substances
solute - ANS ✔✔A substance that is dissolved in a solution.
solvent - ANS ✔✔A liquid substance capable of dissolving other substances
degasification - ANS ✔✔the process of a gas escaping from a liquid or solid
crystallization - ANS ✔✔dropping a out of a solution in a controllable manner in order to form a
structure with an ordered structural array
precipitation - ANS ✔✔solid dropping out of a homogeneous solution
precipitate - ANS ✔✔A solid that forms from a solution during a chemical reaction.
covalent bond - ANS ✔✔attraction between 2 nuclei and a shared pair of electrons, nonmetal
with nonmetal
ionic bonds - ANS ✔✔the attraction between two oppositely charged ions
polyatomic ion - ANS ✔✔A charged group of covalently bonded atoms
hydrocarbons - ANS ✔✔Compounds composed of only carbon and hydrogen, methane, ethane,
propane, butane
combustion - ANS ✔✔the rapid reaction of fuel with oxygen to release energy in form of heat
and light (chemical process of burning)
