UCF CHEMISTRY ACTUAL EXAM
PAPER QUESTIONS AND
SOLUTIONS GRADED A PLUS
◉ Matter
Answer: Anything that has mass and takes up space
◉ Solid
Answer: A form of matter that has a definite shape and volume;
strong ionic bonds
◉ liquid
Answer: A state of matter that has no definite shape but has a
definite volume.
◉ Gas
Answer: A state of matter with no definite shape or volume
◉ Mixture
Answer: A combination of two or more substances that are not
chemically combined
, ◉ heterogeneous mixture
Answer: A mixture in which different materials can be distinguished
easily
◉ homogeneous mixture
Answer: A mixture in which substances are evenly distributed
throughout the mixture
◉ Compound
Answer: A substance made up of atoms of two or more different
elements joined by chemical bonds. Can be separated by chemical
means
◉ Molecule
Answer: A group of atoms bonded together
◉ Element
Answer: A pure substance made of only one kind of atom
◉ ionic bond
Answer: Formed when one or more electrons are transferred from
one atom to another
PAPER QUESTIONS AND
SOLUTIONS GRADED A PLUS
◉ Matter
Answer: Anything that has mass and takes up space
◉ Solid
Answer: A form of matter that has a definite shape and volume;
strong ionic bonds
◉ liquid
Answer: A state of matter that has no definite shape but has a
definite volume.
◉ Gas
Answer: A state of matter with no definite shape or volume
◉ Mixture
Answer: A combination of two or more substances that are not
chemically combined
, ◉ heterogeneous mixture
Answer: A mixture in which different materials can be distinguished
easily
◉ homogeneous mixture
Answer: A mixture in which substances are evenly distributed
throughout the mixture
◉ Compound
Answer: A substance made up of atoms of two or more different
elements joined by chemical bonds. Can be separated by chemical
means
◉ Molecule
Answer: A group of atoms bonded together
◉ Element
Answer: A pure substance made of only one kind of atom
◉ ionic bond
Answer: Formed when one or more electrons are transferred from
one atom to another
