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Worksheets7th Grade 9 Weeks Test #1
Total questions: 33
Worksheet time: 24mins
Name
Class
Date
1.
The red numbers in the image below represent ________
a)
subscripts
b)
coefficients
c)
I don't know, and don't want to try
d)
None of the answers are correct
2.
The blue numbers in the image below represent ________
a)
I don't know, and don't want to try
b)
coefficients
c)
subscripts
d)
none of the answers are correct
3.
In the equation, 2Mg + O2 ---> 2MgO, which are the reactants?
a)
Mg and O
b)
MgO
c)
Mg and MgO
d)
O and MgO
4.
In a chemical reaction, everything to the rightof the arrow is called ______________.
a)
Products
b)
Yields
c)
Molecules
d)
Reactants
5.
How many atoms of aluminum are on each side of the following equation: 4Al + 3O2 --> 2Al2 O3
a)
2
b)
6
c)
1
d)
4
6.
How many atoms of aluminum are on each side of the following equation: 4Al + 3O2 --> 2Al2 O3
a)
2
b)
6
c)
1
d)
4
7.
diphosphorus pentoxide
a)
P2O5
b)
PO5
c)
P5O2
d)
P2O6
8.
SiCl4
a)
silicon tetrachloride
b)
silicon quadchloride
c)
monosilicon tetrachloride
d)
silicon chloride
9.
silicon dioxide
a)
SO2
b)
NaO2
c)
SiO2
d)
SiO
10.
phosphorus trichloride
a)
KCl3
b)
PCl3
c)
K3Cl
d)
P3Cl
11.
name the following ionic compound: NaF
a)
nitrogen fluorine
b)
sodium fluoride
c)
nitrogen fluoride
d)
sodium fluorine
12.
What does the chemical symbol for H stand for?
a)
Helium
b)
Hydrogen
c)
Nitrogen
d)
Beriyllium
13.
What does the symbol He stand for?
a)
Helium
b)
Hydrogen
c)
Oxygen
d)
Beriyllium
14.
This element has the symbol Na.
a)
potassium
b)
sodium
c)
narwhalium
d)
lithium
15.
This is the symbol for the element potassium.
a)
K
b)
P
c)
Po
d)
Ka
16.
What is lithium's chemical symbol?
a)
L
b)
Li
c)
Th
d)
Lm
17.
S stands for what element?
a)
Silicon
b)
Tin
c)
Sulfur
d)
Antimony
18.
What is the chemical symbol for Boron?
a)
B
b)
Bo
c)
Br
d)
Be
19.
What does N stand for?
a)
Nitrogen
b)
Nickel
c)
Neon
20.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
21.
How many atoms of carbon (C) are in C6H12O6?
a)
3
b)
6
c)
12
d)
24
22.
The blue numbers in the image below represent ________
a)
I don't know, and don't want to try
b)
coefficients
c)
subscripts
d)
none of the answers are correct
23.
The red numbers in the image below represent ________
a)
subscripts
b)
coefficients
c)
I don't know, and don't want to try
d)
None of the answers are correct
24.
How many atoms are there TOTAL in:
H2SO4
H2SO4
a)
6
b)
5
c)
7
d)
3
25.
How many Hydrogen are in 4H2O?
a)
6
b)
8
c)
2
d)
4
26.
How many O's are in Al₂(SO₄)₃
a)
4
b)
12
c)
7
d)
24
27.
What is the chemical symbol for Titanium
a)
Ti
b)
TI
c)
Tm
d)
Sn
28.
What is the symbol Sc ?
a)
Scandium
b)
Sodium
c)
Scardium
d)
Silicon
29.
What does the chemical symbol for Vanadium?
a)
V
b)
Va
c)
Vd
d)
Vm
30.
What is the symbol Fe?
a)
Felium
b)
Iron
c)
Potassium
d)
Magnesium
31.
What does the symbol Co stand for?
a)
Cobalt
b)
Iron
c)
Copper
d)
Carbon
32.
What does the symbol Zn stand for?
a)
Zinc
b)
Zirconium
c)
Cadium
d)
Strontium
33.
What does the chemical symbol Gallium stand for?
a)
Ga
b)
G
c)
Gm
d)
Gl
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