CHEM 121 FINAL EXAM
kinetic molecular theory - {✔✔ANSWER✔✔}-all matter is made of tiny particles that are constantly
moving
fundamental particle - {✔✔ANSWER✔✔}-take a macroscopic object and divide it repeatedly.
Eventually you have a particle, which, if further divided is no longer the original substance. This smallest
piece of the substance is called...
h2o molecule - {✔✔ANSWER✔✔}-the fundamental particle of water is what?
atom - {✔✔ANSWER✔✔}-the basic unit of a chemical element
molecule - {✔✔ANSWER✔✔}-two or more atoms (same or different) chemically bound
element - {✔✔ANSWER✔✔}-fundamental particle contains only one kind of atom
compound - {✔✔ANSWER✔✔}-two or more different kinds of atoms chemically bound
the same - {✔✔ANSWER✔✔}-in a pure substance, all the fundamental particles are what?
solution - {✔✔ANSWER✔✔}-mixture that is uniform throughout
, density - {✔✔ANSWER✔✔}-= mass / volume
atomic number - {✔✔ANSWER✔✔}-number of protons in the nucleus, defines the element
mass number - {✔✔ANSWER✔✔}-equal to the sum of protons and neutrons
isotope - {✔✔ANSWER✔✔}-what results when you change the number of neutrons in an element?
atomic mass - {✔✔ANSWER✔✔}-weighted average of the masses of the isotopes of an element,
gives the mass of one atom of the element
alkali metals - {✔✔ANSWER✔✔}-group 1 on periodic table
alkali earth - {✔✔ANSWER✔✔}-group 2 on periodic table
halogens - {✔✔ANSWER✔✔}-group 17 on periodic table
properties of metals - {✔✔ANSWER✔✔}-good conductors of heat and electricity, malleable,
ductile, often shiny, tend to lose electrons in chemical change
properties of non metals - {✔✔ANSWER✔✔}-poor conductors of heat and electricity, not ductile,
not malleable, gain electrons in chemical change
avagadros number - {✔✔ANSWER✔✔}-6.022 x 10^23
ionic bond - {✔✔ANSWER✔✔}-bond between a nonmetal and a metal
covalent bond - {✔✔ANSWER✔✔}-bond between 2 or more nonmetals
kinetic molecular theory - {✔✔ANSWER✔✔}-all matter is made of tiny particles that are constantly
moving
fundamental particle - {✔✔ANSWER✔✔}-take a macroscopic object and divide it repeatedly.
Eventually you have a particle, which, if further divided is no longer the original substance. This smallest
piece of the substance is called...
h2o molecule - {✔✔ANSWER✔✔}-the fundamental particle of water is what?
atom - {✔✔ANSWER✔✔}-the basic unit of a chemical element
molecule - {✔✔ANSWER✔✔}-two or more atoms (same or different) chemically bound
element - {✔✔ANSWER✔✔}-fundamental particle contains only one kind of atom
compound - {✔✔ANSWER✔✔}-two or more different kinds of atoms chemically bound
the same - {✔✔ANSWER✔✔}-in a pure substance, all the fundamental particles are what?
solution - {✔✔ANSWER✔✔}-mixture that is uniform throughout
, density - {✔✔ANSWER✔✔}-= mass / volume
atomic number - {✔✔ANSWER✔✔}-number of protons in the nucleus, defines the element
mass number - {✔✔ANSWER✔✔}-equal to the sum of protons and neutrons
isotope - {✔✔ANSWER✔✔}-what results when you change the number of neutrons in an element?
atomic mass - {✔✔ANSWER✔✔}-weighted average of the masses of the isotopes of an element,
gives the mass of one atom of the element
alkali metals - {✔✔ANSWER✔✔}-group 1 on periodic table
alkali earth - {✔✔ANSWER✔✔}-group 2 on periodic table
halogens - {✔✔ANSWER✔✔}-group 17 on periodic table
properties of metals - {✔✔ANSWER✔✔}-good conductors of heat and electricity, malleable,
ductile, often shiny, tend to lose electrons in chemical change
properties of non metals - {✔✔ANSWER✔✔}-poor conductors of heat and electricity, not ductile,
not malleable, gain electrons in chemical change
avagadros number - {✔✔ANSWER✔✔}-6.022 x 10^23
ionic bond - {✔✔ANSWER✔✔}-bond between a nonmetal and a metal
covalent bond - {✔✔ANSWER✔✔}-bond between 2 or more nonmetals
