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WorksheetsChapter 4A
Total questions: 55
Worksheet time: 34mins
Name
Class
Date
1.
Atoms share electrons in a _______ bond
a)
Ionic
b)
Covalent
c)
Metallic
d)
Polyatomic
2.
The small number next to an element in a chemical formula is called a _________
a)
coefficient
b)
number
c)
subscript
d)
exponent
3.
How many different elements are in the following chemical formula?
C6H12O6
C6H12O6
a)
1
b)
2
c)
3
d)
can't tell
4.
How many atoms total are there in the following compound?
MnF3
MnF3
a)
3
b)
4
c)
5
d)
6
5.
How many atoms are oxygen are in the following molecule?
Ni3(PO4)2
Ni3(PO4)2
a)
4
b)
2
c)
24
d)
8
6.
What elements are present in the following molecule?
FeI2
FeI2
a)
Iron, Iodine
b)
Fluorine, Iodine
c)
Iron, Iridium
d)
Phosphorus, Iodine
7.
In order to make an ionic bond you need what types of elements?
a)
two nonmetals
b)
two metals
c)
1 metal, 1 nonmetal
d)
it doesn't matter
8.
Atoms are _________ in an ionic bond
a)
transferred
b)
shared
c)
donated
d)
given
9.
If an atom loses an electron it becomes a(n) ______.
a)
molecule
b)
cation
c)
anion
d)
element
10.
An anion is formed when an atom ________ an electron.
a)
shares
b)
loses
c)
breaks
d)
gains
11.
When Calcium loses its valance electrons it becomes a(n) _____ with a _____ charge.
a)
cation, +1
b)
cation, +2
c)
anion, -1
d)
anion, -2
12.
A bond formed by the attraction between positively charged metal ions and the electrons around them are called ___.
a)
ionic bonds
b)
covalent bonds
c)
polyatomic bonds
d)
metallic bonds
13.
How many electrons can the 1st energy level hold max?
a)
2
b)
4
c)
6
d)
8
14.
How many electrons can the 2nd and the rest of the energy levels hold max?
a)
2
b)
4
c)
6
d)
8
15.
The angle formed by two bonds to the same atom is called the ___.
a)
chemical structure
b)
bond length
c)
angle
d)
bond angle
16.
The average distance between the nuclei of two bonded atoms is called the ___.
a)
bond length
b)
bond angle
c)
bond distance
d)
chemical structure
17.
In the formula H2O, the 2 tells you what?
a)
How many atoms total
b)
How many atoms of oxygen
c)
How many atoms of Hydrogen
d)
It tells you nothing
18.
The attractive force that holds atoms or ions together is called ___.
a)
chemical bond
b)
covalent bond
c)
ionic bond
d)
James Bond
19.
When compounds are formed do the elements keep their same properties?
a)
Always
b)
Sometimes
c)
Never
d)
You can't tell
20.
Which type of bonds are most likely to break if placed in water?
a)
Covalent
b)
Ionic
c)
Metallic
d)
Polyatomic
21.
Which of the following is an example of a molecule formed through covalent bonding?
a)
FeCl3
b)
LiBr
c)
P2S3
d)
NaCl
22.
Which of the following molecules is formed through ionic bonding?
a)
LiBr
b)
C6H12O6
c)
H2O
d)
CF4
23.
Which of the following elements is a metal?
a)
Cl
b)
Xe
c)
N
d)
Ag
24.
What is the name of the element with the symbol Au?
a)
Argon
b)
Silver
c)
Gold
d)
Sodium
25.
What is the symbol for Beryllium?
a)
B
b)
Br
c)
Ba
d)
Be
26.
How many atoms total in As2O5
a)
2
b)
5
c)
7
d)
8
27.
How many atoms total in PCl3?
a)
1
b)
2
c)
3
d)
4
28.
What information is given to you in a molecular formula?
a)
names of elements
b)
number of atoms in each element
c)
all of the above
d)
none of the above
29.
How many atoms of Nickel are in Ni3(PO4)2 ?
a)
3
b)
6
c)
8
d)
10
30.
How many atoms of Oxygen are in Ni3(PO4)2 ?
a)
2
b)
4
c)
6
d)
8
31.
How many atoms of Phosphorus are in 2 Ni3(PO4)2 ?
a)
2
b)
4
c)
6
d)
8
32.
A subscript is the small number below a(n) ________ that tells the number of _______ of that element.
a)
element symbol; atoms
b)
atom; element symbol
c)
subscript; protons
d)
compound; elements
33.
If there is no subscript, there is ______ atom(s) of that element.
a)
0
b)
2
c)
only 1
d)
1 million
34.
How many atoms of Hydrogen are in this compound
a)
1
b)
2
c)
3
d)
4
35.
How many atoms of Oxygen are in this compound?
a)
1
b)
2
c)
3
d)
4
36.
How many atoms are in the element Carbon in this compound?
H2C3O4N5
H2C3O4N5
a)
2
b)
3
c)
4
d)
5
37.
How many TOTAL atoms are in this compound?
H2C3O4N5
H2C3O4N5
a)
5
b)
14
c)
15
d)
19
38.
How many elements are present in this compound?
Mg2As3COHNi2
Mg2As3COHNi2
a)
2
b)
4
c)
6
d)
10
39.
How many Magnesium are in 10MgCl2?
a)
10
b)
5
c)
20
40.
an electron has this charge
a)
positive
b)
negative
c)
neutral
41.
a neutron has this charge
a)
negative
b)
positive
c)
neutral
42.
How many Sodium (Na) are in 6NaCl?
a)
1
b)
12
c)
6
43.
What is the rule for figuring out if it is ionic or covalent?
a)
Covalent bonds form between two metals.
b)
Ionic bonds form between two metals.
c)
Covalent bonds form between a metal and a non-metal.
d)
Ionic bonds form between a metal and a non-metal.
44.
Atoms form ions in order to become this
a)
isotopes
b)
stable
c)
metals
d)
nonmetals
45.
Ionic or covalent?
KBr
KBr
a)
Ionic
b)
Covalent
46.
Ionic or covalent?
NaBr
NaBr
a)
Ionic
b)
Covalent
47.
Ionic or covalent?
CO2
CO2
a)
Ionic
b)
Covalent
48.
Positive ions form when atoms _________ valence electrons.
a)
lose
b)
gain
c)
share
d)
gain or share
49.
Negative ions form when atoms _________ valence electrons.
a)
lose
b)
gain
c)
share
d)
gain or share
50.
Which is most likely to form a negative ion?
a)
an element from group 17
b)
a metal
c)
an element from group 1
d)
an element with atoms that have eight valence electrons
51.
Ionic Bonds form between two ions that have
a)
ionic compounds
b)
negative charges
c)
positive charges
d)
opposite charges
52.
Number of N in (NH₄)₂CrO₄
a)
1
b)
2
c)
8
d)
16
53.
How many O's are in Al₂(SO₄)₃
a)
4
b)
12
c)
7
d)
24
54.
Which of the following elements has 2 valance electrons?
a)
Ne
b)
Mg
c)
H
d)
Na
55.
Which of the following would be an ion with a -1 charge?
a)
an atom with 10 protons and 12 electrons
b)
an atom with 11 protons and 12 electrons
c)
an atom with 11 protons and 11 electrons
d)
none of the above
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