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Worksheets8th Grade Bonding Review
Total questions: 38
Worksheet time: 19mins
Atoms bond for all of the following reasons EXCEPT
To use more energy
To use less energy
To have 8 valence electrons
To become stable
The attraction an atom has for electrons in a bond is its
polarity
ionic
covalent
electronegativity
When atoms share electrons UNEQUALLY, the bond is
polar covalent
ionic
completely covalent
electronegativity
A bond between two non-metals is
binary ionic
binary covalent
polyatomic ionic
A bond between a metal and a non-metal is
binary ionic
binary covalent
polyatomic ionic
A bond between an element and a polyatomic ion (or between two polyatomic ions) is
binary ionic
binary covalent
polyatomic ionic
Which element has the HIGHEST electronegativity?
sodium
francium
oxygen
fluorine
Which element has the LOWEST electronegativity?
sodium
francium
oxygen
fluorine
If a bond is made between elements that both have HIGH electronegativity, the bond will be
ionic
covalent
metallic
All of these
If a bond is made between elements with VERY DIFFERENT electronegativities, the bond will be
ionic
covalent
metallic
All of these
A positive ion is
a cation
an anion
a metallion
a proton
When an atom loses an electron, it becomes
a cation
an anion
a neutron
an electron
When an atom of calcium bonds, it becomes
negative
positive
an anion
none of the above
What is the name for C3Cl4?
carbon chloride
carbon (IV) chloride
tricarbon tetrachloride
tetracarbon trichloride
When an atom of fluorine bonds with itself, the bond is
completely covalent
polar covalent
ionic
all of the above
What is the formula for calcium hydroxide?
CaOH
Ca(OH)2
CaH3O+!
CaOH2
In an ionic bond
the valence shells overlap
the positive and negative ions repel each other
the positive and negative ions attract each other
a metal bonds with another metal.
When ionic bonds are dissolved in water, their ions can conduct electricity. This makes them
covalent
polyatomic
electronegative
electrolytes
What is the name of PO4-3?
phosphide
phosphite
phosphate
phosphoricity
What is the formula for sulfate?
S
SO3-2
SO4-2
SO5-2
What does the prefix tetra mean?
2
4
6
8
What does the prefix hexa mean?
2
4
6
7
What does the prefix tri mean?
3
5
7
9
The type of bond in which electrons are TRANSFERRED is
ionic
covalent
metallic
polar covalent
The type of bond in which pairs of electrons are SHARED is
ionic
covalent
metallic
trinary
The outer energy level of an atom is called
electronegative
valence
ionic
polar
When metals are near each other, all the atoms share all the valence electrons. This is
an ionic bond
a covalent bond
a metallic "bond"
all of the above
What is an octet?
8 energy levels
8 electrons on the lowest energy level
8 electrons on the highest energy level
8 notes in a musical scale
If a compound has two elements, it is
binary
polyatomic
diatomic
metallic
Which group of elements gives electrons away when they bond?
metals
non-metals
gases
solids
How many valence electrons are in a nitrogen atom.
2
5
7
15
A bond between two atoms of the same element (like O2) is called
ionic
polyatomic
diatomic
polar
Which family does not bond?
Family IA (alkali metals)
Family VIIA (halogens)
The transition metals
Family VIIIA (noble gases)
Which of these elements makes a diatomic molecule?
sodium
chlorine
neon
carbon
What is the name for Fe2S3?
iron (III) sulfide
iron (II) sulfide
iron (III) sulfate
iron (III) sulfite
When is a Roman numeral needed when naming a compound?
for all metals
for metals with more than one charge
for all non-metals
for non-metals with more than one charge
These elements gain electrons when they bond.
Metals
Nonmetals
When a sulfur atom makes an ionic bond, what charge does it have?
-2
+6
14
16
