Classes of Matter HW & QUIZ Flashcards
Two or more substances physically combined form an ___________
mixture
Two or more substances chemically combined are called a _____
compound.
__________ elements, such as chlorine (CL2) are found in nature in their elemental form as two-atom molecules.
diatomic
glucose is an example of an
compound
mint chocolate chip ice cream is an example of an ______________
.
Sodium Chloride uniformly mixed in water is an example of an_______________
.
Flat diet coke that has lost all of its bubbles is an examples of an ___________
..
Which of the following substances cannot be broken down by ordinary chemical reactions?
a) water
b) gold
c) carbon dioxide
d) glucose
b
which of the following does not have a uniform composition?
a) pure water
b) Salt water
c) oxygen gas
d) salad
salad
which of the following is made up of only one type of atom?
a) NO
b) He
c) C)
d) MgS
b
which of the following represents a mixture?
a) NaCl(s)
b) NaCl(1)
c) NaCl(g)
d) NaCl(aq)
d
identify whether each of the following is an element, compound, homogeneous mixture or a heterogeneous mixture:
- ) Hydrogen Peroxide (H2O2) ____________
- ) Vanadium (V) _______________
- ) Oxygen (02) ___________________
- compound
- element
- diatomic element
identify whether each of the following is an element, compound, homogeneous mixture or a heterogeneous mixture:
- Orange juice with pulp _____________
- HCl (aq) ______________
- Salt and Pepper _________________
- Chicken Noodle soup ____________
- heterogeneous mixture
- Homogeneous mixture
- heterogeneous mixture
- heterogeneous mixture
identify whether each of the following is an element, compound, homogeneous mixture or a heterogeneous mixture:
- Octane (c8H18) ______________
- Oil and Water _________________
- Sugar and Water _______________
- compound
- Heterogeneous
- Homogeneous mixture
A substance that is made up of only one type of atom, gallium for example is called an ___________
element
anything that has mass and volume
matter
amount of matter in an object
Volume
Unit of Volume
Liters
amount of space taken up
mass
two of the same atoms bonded together
diatomic element
mixture that has same consistency throughout
Homogeneous mixture
the curve you see at a liquid’s surface
meniscus
two or more atoms bonded together
compound
two or more pure substances combined
mixture
mixture that can be separated by physical means
heterogeneous mixture
the three ways a chemical can enter your body are:
a) absorption, touch, ingestion
b) abrasion inhalation, smelling
c) absorption, inhalation, ingestion
d) digestion, corrosion, consumption
c) absorption, inhalation, ingestion
