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2nd SW Warm Up 7 & 8
Contributed by: Ruble
(Original author: Bellman)
"Ca" is the chemical symbol for which element?
1.
Calcium
Argon
Helium
Carbon
2.
"N" is the chemical symbol for which element?
Carbon
Nylon
Nitrogen
Helium
Salt contains the elements sodium and chlorine.
The chemical symbol for these elements is:
3.
Fe and Ti
Sm and Cn
So and Ce
Na and Cl
Which of the following is NOT an element:
4.
plastic
titanium
sulfur
hydrogen
5.
Which of the following is NOT an example
of a chemical reaction.
breaking into pieces
temperature change
creating light
gas is produced
Which of the following IS an example of a 
chemical reaction?
6.
change in texture
change in shape
change in appearance
a precipitate formed (like in the water-
grape juice-milk lab).
7.
A ________________ is made of two or more elements
that are chemically bonded to form a new substance.
compound
ion
element
atom
A _____________ is the smallest part of any element 
that can no longer be divided by physical means.
8.
ion
element
atom
compound
True
False
True or False:
9.
Water (H2O) is NOT a compound.
10.
True or False:
C02, also known as carbon dioxide, is a compound.
True
False
11.
True or False
Sodium (Na) is a compound.
True
False
Tylenol is made from the elements carbon, hydrogen
nitrogen, and oxygen.  It is considered a compound
because:
12.
it is not a compound.
it is made of 4 elements, and a compoundmust have 2 or more elements.
it is the smallest part of an element.
because you can buy it at Wal-Mart.
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