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WorksheetsMolecule Quiz
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
In the following molecule, how many fluorine atoms are there: 3Na2F
a)
one
b)
two
c)
three
d)
four
2.
In the molecule below, how many sodium atoms are there: 3Na2F
a)
two
b)
four
c)
six
d)
eight
3.
In making the molecule HPNa, which element is not used?
a)
Hydrogen
b)
Phosphorus
c)
Potassium
d)
Sodium
4.
Laughing gas (N2O) has two elements that are bonded together. Which element has them most electrons in it outer orbital?
a)
Nitrogen
b)
Oxygen
c)
not enough information
d)
they both have the same
5.
An ionic bond is formed when an electron is transferred from one element to another.
a)
True
b)
False
c)
no answer
d)
no answer
6.
What is the chemical formula for water?
a)
H2O
b)
H2O2
c)
KCl
d)
NaCl
7.
What is the chemical formula for ammonia?
a)
NH3
b)
H2O2
c)
CH4
d)
NaCL
8.
What is the ratio of sulfur atoms to oxygen atoms in SO2?
a)
1 to 1
b)
2 to 1
c)
3 to 1
d)
1 to 2
9.
In the molecule NaCLO, how many different elements are needed ?
a)
2
b)
3
c)
4
d)
5
10.
How many atoms total are in the chemical formula: 4SI2H3 ?
a)
3
b)
6
c)
12
d)
24
11.
In the molecule 5ZnSO4 how many oxygen atoms are there?
a)
5
b)
10
c)
15
d)
20
12.
Looking at the periodic table, elements in Group 16 need one more electron to have a full outer shell
a)
True
b)
False
c)
no answer
d)
no answer
13.
How many atoms in the molecule: 2C6H12O6
a)
2
b)
12
c)
24
d)
48
14.
In the molecule 3NaH2HCO3
how many hydrogen atoms are there?
how many hydrogen atoms are there?
a)
3
b)
6
c)
9
d)
12
15.
Covalent Bonds are bonds where electrons are transferred between two atoms
a)
True
b)
False
c)
no answer
d)
no answer
16.
Elements in Group 1 have two electrons in their outer shell
a)
True
b)
False
c)
no answer
d)
no answer
17.
Bohr Diagrams show all of the electrons of an element
a)
True
b)
False
c)
no answer
d)
no answer
18.
Looking at the right side of the periodic table, the elements are more likely to ____________ when combined with other elements.
a)
give electrons
b)
take electrons
c)
no answer
d)
no answer
19.
Electrons in the outer shell are known as valence electrons
a)
True
b)
False
c)
no answer
d)
no answer
20.
Aluminum has ____ electrons in its outer shell.
a)
1
b)
3
c)
5
d)
7
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