CHEM 1151 Exam 1 correctly answered
to pass graded A+ updated
matter - correct answer ✔✔anything that has MASS and takes up space
mass - correct answer ✔✔the amount of matter in an object / mass is related to
weight but these are not the same thing
weight - correct answer ✔✔A measure of the force of GRAVITY on an object
volume - correct answer ✔✔The amount of space an object takes up
mixture - correct answer ✔✔A combination of two or more substances that are
not chemically combined / the composition is not constant / can be separated by
physical methods / heterogeneous or homogeneous
homogeneous mixture - correct answer ✔✔composition is uniform throughout /
can be referred to as a SOLUTION
ex. cake batter
heterogeneous mixture - correct answer ✔✔composition is not uniform
throughout / different parts of the mixture are visible
, pure substance - correct answer ✔✔contains only one substance / has fixed or
constant composition / can be an element or a compound
ex. distilled water
elements - correct answer ✔✔consist of only 1 type of atom / cannot be broken
down into any other simpler substance
compounds - correct answer ✔✔pure substances that are the chemical bond of
two or more elements / can be broken down by chemical processes into their
elements
groups - correct answer ✔✔vertical columns on the periodic table
periods - correct answer ✔✔horizontal rows on the periodic table
metals, nonmetals, and metalloids - correct answer ✔✔slide 30
alkali bases - correct answer ✔✔soluble in water, GROUP 1
alkali earth metals - correct answer ✔✔found naturally on earth, GROUP 2
halogens - correct answer ✔✔form salt when combined, GROUP 17
chemical formula - correct answer ✔✔combination of chemical symbols and
numbers to represent a substance
to pass graded A+ updated
matter - correct answer ✔✔anything that has MASS and takes up space
mass - correct answer ✔✔the amount of matter in an object / mass is related to
weight but these are not the same thing
weight - correct answer ✔✔A measure of the force of GRAVITY on an object
volume - correct answer ✔✔The amount of space an object takes up
mixture - correct answer ✔✔A combination of two or more substances that are
not chemically combined / the composition is not constant / can be separated by
physical methods / heterogeneous or homogeneous
homogeneous mixture - correct answer ✔✔composition is uniform throughout /
can be referred to as a SOLUTION
ex. cake batter
heterogeneous mixture - correct answer ✔✔composition is not uniform
throughout / different parts of the mixture are visible
, pure substance - correct answer ✔✔contains only one substance / has fixed or
constant composition / can be an element or a compound
ex. distilled water
elements - correct answer ✔✔consist of only 1 type of atom / cannot be broken
down into any other simpler substance
compounds - correct answer ✔✔pure substances that are the chemical bond of
two or more elements / can be broken down by chemical processes into their
elements
groups - correct answer ✔✔vertical columns on the periodic table
periods - correct answer ✔✔horizontal rows on the periodic table
metals, nonmetals, and metalloids - correct answer ✔✔slide 30
alkali bases - correct answer ✔✔soluble in water, GROUP 1
alkali earth metals - correct answer ✔✔found naturally on earth, GROUP 2
halogens - correct answer ✔✔form salt when combined, GROUP 17
chemical formula - correct answer ✔✔combination of chemical symbols and
numbers to represent a substance
