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WorksheetsChemistry, Monday Bell Ringer, 2.18.19
Total questions: 13
Worksheet time: 25mins
Name
Class
Date
1.
What is the correct name for Mg(OH)2?
a)
Magnesium dihydroxide
b)
Magnesium Oxyhydride
c)
Magnesium Oxygen dihydride
d)
Magnesium hydroxide
2.
What is the proper name for CaCl2?
a)
Calcium dichloride
b)
Monocalcium dichloride
c)
Calcium chloride
d)
Calcium chlorine
3.
What is the proper name for S2O2?
a)
Sulfur oxide
b)
Sulfur dioxide
c)
sulfur (II) oxide
d)
disulfur dioxide
4.
Why do atoms share electrons?
a)
To attain the electron configuration of a noble gas.
b)
To become ions and take a charge
c)
to increase the mass
d)
it's a nice thing to do.
5.
A molecule with a single covalent bond is....
a)
HCl
b)
SO
c)
CO
d)
SO2
6.
A molecule with a double covalent bond is....
a)
HCl
b)
SO
c)
I2
d)
N2
7.
Which three nonmetals exist only as diatomic molecules?
a)
H, C, Br
b)
N, O, S
c)
I, F,N
d)
H, O, P
8.
What is a polar molecule?
a)
One that has a partial negatitive on one end and a partial positive on the other
b)
a molecule with little vibration
c)
an ionic compound
d)
the nonpolar bonds are arranged sequentially
9.
How do covalent bonds form?
a)
Donating & receiving valence e- between atoms.
b)
Opposite slight charges attract each other between compounds.
c)
Scientists are still not sure how they form.
d)
Sharing valence e- between atoms.
10.
What type of bond is shown in this image?
a)
Ionic
b)
Polar Covalent
c)
Nonpolar Covalent
d)
Van der Waals Force
11.
How many electrons are shared in a single covalent bond?
a)
2 pairs
b)
4
c)
2
d)
1
12.
Which is stronger...
a)
N − N
b)
N = N
c)
N ≡ N
13.
How many Valence Electrons are on Oxygen
a)
2
b)
7
c)
6
d)
1
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