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Chem Sem 1 Test

Enter the letter for the matching Answer
incorrect
1.
centi
incorrect
2.
How much energy that goes into a calorimeter comes out of it?
incorrect
3.
gig-
incorrect
4.
lanthanides
incorrect
5.
heterogeneous mixture
incorrect
6.
61.2+9.35+8.6=(find answer with correct significant figures)
incorrect
7.
mg
incorrect
8.
sing;e-replacement
incorrect
9.
endothermic reaction
incorrect
10.
34.61-17.3=
incorrect
11.
law of conservation of matter
incorrect
12.
percent yield
incorrect
13.
(C2H3O2)-
incorrect
14.
7 diatomic molecule symbols
incorrect
15.
matter
incorrect
16.
(CN)-
incorrect
17.
spectator ions
incorrect
18.
micro
incorrect
19.
(Cr2O7)2-
incorrect
20.
(NH4)+
A.
10^9
B.
milligram
C.
upper section of the inner transition metals
D.
Same ions on both sides of an equation
E.
percent of the product formed
F.
H, N, O, F, Cl, Br, I, Hg
G.
dichromate
H.
cyanide
I.
has mass and takes up space
J.
none
K.
acetate
L.
ammonium
M.
10^-2
N.
10^-6
O.
79.2
P.
mixture that is not thorough throughout
Q.
matter cannot be created or destroyed
R.
an element replaces another in the equation
S.
17.3
T.
energy is taken in
Type the Answer that corresponds to the displayed Question.
incorrect
21.
501
incorrect
22.
convert moles to molecules
incorrect
23.
group one
incorrect
24.
pico
incorrect
25.
(SO3)2-
Type the Question that corresponds to the displayed Answer.
incorrect
26.
1 significant figures
incorrect
27.
horizontal rows in the periodic table
incorrect
28.
amount of energy it takes to raise the temperature of 1 gram 1 degree Celsius
incorrect
29.
4 significant figures
incorrect
30.
permanganate

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