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WorksheetsC3 Atoms and Bonding
Total questions: 50
Worksheet time: 34mins
Name
Class
Date
1.
The positive particles of an atom are
a)
electrons
b)
positrons
c)
neutrons
d)
protons
2.
Particles in an atom that are neutral and have no charge are
a)
negatrons
b)
electrons
c)
neutrons
d)
protons
3.
An atoms overall charge is
a)
positive
b)
depends on its mood
c)
neutral
d)
negative
4.
The smallest particle of any particular type of matter is known by which of the following terms?
a)
Compound
b)
Atom
c)
Chemical
d)
Element
5.
If an atom has 3 electrons, how many protons does it have?
a)
1
b)
2
c)
4
d)
3
6.
The subatomic particle with a negative charge is the
a)
electron
b)
proton
c)
neutron
d)
nucleus
7.
If the number of protons equal the number of _____, the atom will have no charge
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
8.
What is the mass number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
9.
What is the atomic number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
10.
An atom with an unequal number of protons and electrons is said to have (a) ___.
a)
no charge
b)
balance
c)
charge
d)
unbalance
11.
Ions are:
a)
atoms with a positive or negative charge
b)
atoms with no charge
c)
atoms with ONLY a positive charge
d)
atoms with ONLY a negative charge
12.
Where are electrons located in the atom?
a)
Nucleus
b)
Shells/orbitals
c)
rings
d)
center
13.
Where are neutrons located in the atom?
a)
shells/orbitals
b)
rings
c)
center
d)
nucleus
14.
How does the size of an electron compare to the size of a proton?
a)
larger
b)
smaller
c)
equal
15.
How does the size of a proton compare to the size of a neutron?
a)
larger
b)
smaller
c)
equal
16.
What is the overall charge of this atom?
a)
+4
b)
-3
c)
+1
d)
-1
17.
What is the overall charge of this atom?
a)
+3
b)
-3
c)
0
d)
+1
18.
If an atom gains a new electrons, does the atom become more positive or more negative?
a)
more positive
b)
more negative
c)
both
d)
neither
19.
What atom is represented here?
a)
Carbon
b)
Nitrogen
c)
Oxygen
d)
Fluorine
20.
Which of the following is the smallest in size?
a)
N3-
b)
O2-
c)
F-
d)
Na+
21.
Which of the following is the smallest in size?
a)
K
b)
Na
c)
Li
d)
Cs
22.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
23.
How many outer shell electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
24.
How many electrons can the electron shell hold?
a)
1
b)
2
c)
8
d)
0
25.
Which is the correct name for AlBr3?
a)
Aluminum bromine
b)
Bromine aluminide
c)
Aluminum bromide
d)
Aluminum (III) bromide
26.
What is the name for LiF?
a)
Lithium Fluoride
b)
Lithium Fluorine
c)
Fluorine Lithide
27.
If Nitrogen and Silver chemically bond, which will be named first?
a)
Silver
b)
Nitrogen
c)
Unknown
d)
Iodine
28.
How many electrons are needed in the outer shell of most atoms to be stable?
a)
2
b)
4
c)
6
d)
8
29.
A charged particle that has gained or lost electrons is called a _____.
a)
molecule
b)
ion
c)
isotope
d)
element
30.
Nitrogen will form which of the following ions?
a)
N
b)
N-3
c)
N-5
d)
N+5
31.
What will be the compound name of the following chemical formula?
NaCl
NaCl
a)
Chlorine Sodium
b)
Sodium Chloride
c)
Chlorine Sodide
d)
Sodium Chlorine
32.
What type of bond is this?
a)
ionic
b)
covalent
c)
metallic
d)
peptide
33.
Ionic bonds form between metals and ____.
a)
metalloids
b)
metals
c)
nonmetals
34.
What determines how ionic bonds will form?
a)
Number of protons
b)
Mass of the atom
c)
Number of total electrons
d)
Number of valence electrons
35.
Ionic bonds happen because of the ____ of valence electrons.
a)
sharing
b)
transfer
36.
Which is the correct name for CaBr2?
a)
Calcium Bromine
b)
Bromine Calcium
c)
Calcium Bromide
37.
What element always has an electric charge of +1?
a)
Potassium
b)
Fluorine
c)
Calcium
d)
Iodine
38.
The compound 02 would be classified as a
a)
Covalent Bond
b)
Ionic Bond
c)
Element
d)
Metallic Bond
39.
How many Atoms are in FeO2.
a)
3
b)
2
c)
1
d)
4
40.
When Calcium forms a bond, what will occur?
a)
Calcium with give away it two valence electrons to form an covalent bond.
b)
Calcium will share its two valence electrons to form an covalent bond
c)
Calcium will give away its two valence electrons to form an ionic bond
d)
Calcium will share its two valence electrons to form an ionic bond.
41.
A water molecule (H2O) is an example of a covalent bond becuase ____.
a)
The hydrogen gains an electron an the oxygen loses one.
b)
Electrons are shared btween the hydrogen and oxygen
c)
They do not form a eutral goup of atoms.
d)
Hydrogen and oxygen are both negative ions.
42.
Ionic bonds form between what types of elements?
a)
Metal to Metal
b)
Metal to Nonmetal
c)
Nonmetal to Nonmetal
43.
Covalent bonds form between what types of elements?
a)
Metal to Nonmetal
b)
Nonmetal to Nonmetal
c)
Metal to Metal
44.
Which of the below elements will most likely form an Ionic Bond?
a)
P and O
b)
Cs and O
c)
Li and Mg
d)
Ne and Cl
45.
Which of the below element swill most likely form an Covalent Bond?
a)
K and Cl
b)
H and O
c)
Al and Mg
d)
K and Na
46.
The force that hold two atoms together is called a ______.
a)
Chemical Change
b)
Reaction
c)
Chemical Bond
d)
Physical Change
47.
Which Compound would be classified as a covalent bond?
a)
CaCl2
b)
P2O5
c)
KI
d)
MgO
48.
How many electrons does chlorine need to gain in order to have a full outer shell?
a)
7
b)
0
c)
1
d)
8
49.
Is this a covalent bond or an ionic bond?
a)
Covalent bond
b)
Ionic bond
50.
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.
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