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WorksheetsGeneral Chemistry
Total questions: 6
Worksheet time: 4mins
Name
Class
Date
1.
How many H2O molecules can form hydrogen bonds with one H2O molecule?
a)
1
b)
2
c)
3
d)
4
2.
How many Protons does Ca2+ have?
a)
41
b)
20
c)
18
d)
21
3.
Which is the strongest interaction?
a)
Covalent bonds
b)
Ionic bonds
c)
Hydrogen bonds
d)
Van der Waals forces
4.
A sample of acid has a proton concentration 1,000 times greater than pure water. A sample of base has a proton concentration 10,000 times less than pure water. What is the approximate pH of two samples?
a)
4, 11
b)
10, 3
c)
11, 4
d)
3, 10
5.
The tendency of an atom to pull electrons toward itself is referred to as its _____.
a)
Porlatity
b)
Covalency
c)
Electronegativity
d)
ionic potential
6.
Which is a carboxyl group?
a)
-COOH
b)
-OH
c)
-CO3
d)
C=O
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