Elements - Will only have one type of atom. In the drawings, this is indicated by only one color of
circle present in the box. These are pure substances.
Compounds - are two or more elements chemically bonded together in a certain way. These will
show two or more colored dots which are touching in the same arrangement again, and again in the
box. These are pure substances.
Mixtures – are not pure substances. Can be mixtures of two different elements but are not bonded
(not touching). Or they can be mixtures of two different compounds (not touching). Or the can be a
mixture of an element and a compound.
Identify if each box shows an element, a compound or a mixture. Write E, C or M on the line to by
each letter on the right.
A.
B.
Co
C.
D.
e
E.
F.
8
G.
H.
1.
J.
K.
L.
M.
N.
8
8
0.
P.
8
N
Q.
R.
S.
T.
888
Answers: 1
Chemistry, 22.06.2019 10:20
Gwhich r group would most likely be found in a hydrophobic area of the tertiary structure of a globular protein? which r group would most likely be found in a hydrophobic area of the tertiary structure of a globular protein? −ch2−oh −ch2−o||c−nh2 −ch2−coo− −ch2−ch2−ch2−ch2−n+h3
Answers: 3
Chemistry, 22.06.2019 12:50
What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate
Answers: 1
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What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures
Answers: 1
Elements - Will only have one type of atom. In the drawings, this is indicated by only one color of...
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