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WorksheetsIONIC & METALLIC BONDING
Total questions: 104
Worksheet time: 59mins
NaCl
What is the correct chemical formula for sodium sulfate?
NaSO4
Na2SO4
Na(SO4)2
Na2(SO4)2
A formula unit can best be described as
the chemical formula for an ionic compound
a charged group of covalently bonded atoms
the chemical formula for a molecule
the arrangement of ions in an ioinc crystal
What is an ionic bond?
the number of electrons atoms lose or gain
an ion with a positive charge
the force of attraction between two oppositely charged ions
an ion with a negative charge
Why can't we see ionization?
Atoms are too small to see.
Mrs. Ludeman says it is too dangerous.
Electrons move too fast.
It happens too slowly.
How can we know if ionization takes place?
We can use a magnifying glass to look at the atoms.
We can't.
We can use a gadometer to test.
We can combine two chemicals to see if there is a reaction.
What might you see if a reaction takes place between two chemicals? (more than one right answer)
bubbling and fizzing
test tube gets hot and smokes
one of the chemicals dissolves (disappears) after stiring
a color change occurs
Which of these is true about ionization?
Nonmetals lose electrons to become cations.
Metals gain electrons to become anions.
Nonmetals gain electrons to become anions.
Metals lose protons to become cations.
What is the process called where atoms lose or gain electrons?
oxidation
evaporation
condensation
ionization
What is the oxidation number of the halogens in periods 1-6?
+2
7
+1
-1
Which of these describes the Octet Rule? (more than one correct answer)
Atoms ionize so they have 8 valence electrons.
S and P sublevels must be filled.
Atoms are happy when they have 8 protons.
Atoms lose or gain electrons in order to have a noble gas configuration.
What happens during ionic bonding?
Atoms are transferred from the metal to the nonmetal.
Electrons are transferred from the metal to the nonmetal.
Atoms are transferred from the nonmetal to the metal.
Electrons are transferred from the nonmetal to the metal.
Which of these atoms will form an ionic bond?
Cr and Ni
Cu and Ne
Fe(I) and Cu(II)
Mg and O
What is the anion in hydrogen carbonate?
hydrogen
carbon
carbonate
hydroxide
What is the cation in hydrogen carbonate?
hydrogen
carbon
carbonate
hydroxide
How many valence electrons do alkaline earth metals have?
1
2
3
8
How many valence electrons do alkali metals have?
1
2
3
8
How many valence electrons do the noble gases have?
1
2
3
8
Which of these is a cation?
chlorite
sulfide
nitrate
copper (II)
Which of these is an anion?
phosphate
copper (II)
iron (III)
sodium
Which of these elements will have an oxidation number of +1 when it oxidizes?
lithium
magnesium
oxygen
hydride
What is the oxidation number of sulfide?
+1
-1
+2
-2
Why do atoms ionize? (more than one correct answer)
to have full s and p sublevels
to have 8 valence electrons
to become stable
to promote condensation
Which of these is stable?
Ca+2
S-1
Ne
Mg
Which of these is stable?
Ne
Ba+1
What are polyatomic ions?
groups of atoms that have a positive or negative charge
anions with an oxidation number of -1
transition metals with more than one oxidation number
atoms that have not ionized
What is the formula for the ionic compound that forms between potassium and sulfur?
KS2
KS
K2S
K+1S-2
Which is a monatomic ion?
sulfide
iodide
iodine
acetate
What is the oxidation number of phosphide?
-1
-3
+1
+2
Which of these atoms lost 3 electrons?
Al+3
P-3
CO3-2
Li
What is the correct formula for the compound that forms between Ca+2 and Cl-1?
(Ca)2Cl
CaCl2
Ca(Cl)2
Ca2Cl
What is the correct formula for the compound that forms between Al3+1 and SO4-2?
Al2(SO4)3
AlSO4
(Al)2(S0)4
Al2SO4
Which elements have an oxidation number of +3? (more than one correct answer)
Mc
N
Bi
Zr
What do we call the number that shows how many electrons an atom loses or gains?
atomic number
octet number
oxidation number
subscript
What are monatomic ions?
negative ions
positive ions
ions made of more than one element
ions made of only one element
Which of these will become an anion?
O
Ti
Ba
Fe
Which of these is a polyatomic ion? (more than one correct answer)
phosphide
phosphite
phosphate
phosphorous
Why does the melting point of metals increase across period 3, from Sodium (Na) to Aluminium (AI)?
Size of atoms gets smaller
Attraction force between nuclei and free electron increases
Increased space between the valence electrons in the "sea"
Increased number of valence electrons contributed to the "sea"
Why do metallic compounds conduct electricity as solids?
core electrons are mobile, allowing electricity to flow through the metal
valence electrons are mobile, allowing electricity to flow through the metal
protons are mobile, allowing electricity to flow through the metal
the metal cations are mobile, allowing electricity to flow through the metal
Steel generally speaking is made of
iron and carbon
copper and iron
tin and carbon
aluminum and nickel
Manganese Steel is normally used for the following EXCEPT
drill bits
cutlery
industrial springs
car suspensions
Brass is an alloy made of
copper and zinc
copper and tin
copper and nickel
copper and aluminum
Bronze is an alloy made of
aluminum and magnesium
copper and tin
lead and tin
copper and nickel
An alloy normally used in aircraft construction
Hard Steel
Pewter
Magnalium
Solder
Coin metals are normally made of this alloy
pewter
duralumin
cupro-nickel
brass
Steel can become stainless when alloyed with _____.
chromium and nickel
copper and zinc
tin and lead
iron aand carbon
In the basic oxygen process, lime is added to remove solid oxides. What is lime?
silicon (IV) oxide
carbon dioxide
calcium oxide
phosphorus pentoxide
Alloy that can be used for jewellery, machine bearings, and door furniture
brass
bronze
pewter
duralumin
Bicycle parts are normally made of this alloy
duralumin
bronze
brass
pewter
Iron can be extracted from iron ore by using a blast furnace and the process of smelting
True
False
Ferrous metals contain iron and never rust
True
False
Ductile metals
Will stretch without being damaged
Can be drawn or stretched out into long wires
Will never break
include examples such as Copper
Tensile strength is
the amount of weight a material can support.
the amount of stretching a material can withstand before breaking or failing.
the amount of liquid a material can absorb before breaking.
a test for the amount of iron in a metal.
Which of the following are Ferrous Metals?
Cast Iron
Aluminium
High Carbon Steel
Zinc
Which of the following are Non-Ferrous Metals?
Stainless Steel
Tin
Copper
Low Carbon Steel
Which metal is the best conductor of electricity?
Steel
Zinc
Copper
Brass
Which metal is the best thermal insulator?
Steel
Copper
Zinc
Iron
Alloys are created to improve the working properties and appearance of metals, they are made by cobining two or more elements.
True
False
Ectracting metal to manufacture products creates more carbon emissions than recycling existing metals.
Which stage of production contributes most to the carbon footprint of metal based products?
Extraction
Transport
Processing
Recycling
