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1Test-1 group-1
Chemical formulas,equations and periodic table 1. The results of
three halogen displacement experiments are shown.The table shows
the results.
What are halogens X, Y and Z? X Y Z
ABCD
BrBrClCl
ClI
BrI
IClI
Br
2. In which process is a catalyst not used?A The Blast furnace
for the manufacture of iron.B The Contact process for the
manufacture of sulphuric acid.C The Haber process for the
manufacture of ammonia.D The manufacture of margarine from
unsaturated vegetable oils.
3. The diagrams show the arrangements of the electrons of four
elements.
Which two elements are metals?A 1 and 2 B 1 and 3 C 2 and 4 D 3
and 4
4. Use the Periodic Table to decide which element has all four
of the properties shown.
_ high melting point_ variable oxidation states_ good electrical
conductivity_ forms coloured compounds
A caesium, Cs B cobalt, Co C iodine, I D strontium, Sr
5. Which statement about catalysts is correct?A Catalysts are
used in industry to reduce energy costs.B Catalysts are used up
during a reaction.C Iron is used as a catalyst in the Contact
Process.D Transition metals do not make good catalysts.
6. Element X is a solid at room temperature. It needs one
electron per atom to gain the electronic structure of a noble gas.
It is the least reactive element in its group. What is the element
X?A At B Cs C F D Li
7. A lump of element X can be cut by a knife. During its
reaction with water X floats and melts. What is X?A calcium B
copper C magnesium D potassium
8. Elements X and Y are in Group VII of the Periodic Table.X is
a liquid at room temperature. Y is a solid at room temperature.
1 Atoms of Y have more protons than atoms of X.2 Molecules of Y
have more atoms than molecules of X.3 Y displaces X from aqueous
solutions of X- ions.
9. Which atom has the same electronic configuration as the
strontium ion?A calcium B krypton C rubidium D selenium
10. Rubidium is in Group I of the Periodic Table. What are
properties of rubidium chloride?
formula Approximatemelting point /oC
Solubility in water
A RbCl 70 insolubleB RbCl 700 solubleC RbCl2 70 solubleD RbCl2
700 insoluble
11. Rubidium, Rb, is an element in Group I of the Periodic
Table.Which statement about rubidium is correct?A It reacts slowly
with water.B It forms an insoluble hydroxide.C It is liberated at
the cathode during the electrolysis of an aqueous solution of its
chloride.D It forms a sulphate, Rb2SO4.
12. The element sulphur, S, is in Group VI of the Periodic
Table.Which formula is incorrect?A S2 B S2O3 C SO42 D SO3
13. The table shows some of the properties of four
elements.Which element is most likely to be a transition metal?
melting point/C
densityg / cm3
Electrical conductivity
ABCD
35501860660232
3.57.22.77.3
poorgoodgoodgood
14. Which statement about the alkali metals is true?A they form
covalent bonds with Group VII elementsB they form oxides on
reacting with waterC their melting points decrease on descending
Group ID their reactivities decrease on descending Group I
15. Which statement about the Periodic Table is correct?A the
melting point of the elements increases down Group IB the
reactivity of the elements increases down Group VIIC the reactivity
of the elements decreases down Group ID the colour of the elements
becomes darker down Group VII
16. Which deduction about the element astatine, At, can be made
from its position in Group VII? A It forms covalent compounds with
sodium.B It is displaced from aqueous potassium astatide, KAt, by
chlorine.C It is a gas.D It is more reactive than iodine.
1 5 9 13
2 6 10 14
3 7 11 15
4 8 12 16
Which statements are correct?A 1 only B 2 only C 3 only D 1, 2
and 3
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2Test-1 group-1
17. Which gas is present in the light bulb?
A argon B krypton C nitrogen D oxygen
18. Which shows the correct catalyst for each industrial
process?manufacture of sulphuric
acid
manufacture of ammonia
manufacture of margarine
A
B
C
D
nickel
nickel
vanadium(V) oxide
vanadium(V) oxide
iron
vanadium(V)oxide
iron
nickel
vanadium(V) oxide
iron
nickel
iron
19. X and Y are diatomic elements. X is less reactive than
Y.What are elements X and Y?
X YABCD
bromineiodine
potassiumsodium
iodinebrominesodium
potassium
20. Element Z has the following properties. It has a high
melting point. Its presence can lower the activation energy for a
reaction.What type of element is Z?A a halogen B an alkali metal C
a noble gas D a transition metal
21. Two elements are in the same group of the Periodic
Table.Which property will be the same for both elements?A the
charge on their ions B their electronic structureC their melting
point D their reactivity with water or acids
22. The element with a proton number 12 has similar chemical
properties to the element with the proton numberA 2. B 11. C 13. D
20.
23. The positions of four elements are shown on the outline of
part of the Periodic Table. Element X has a high melting point and
is a good conductor of electricity. It forms chlorides XCl2 and
XCl3. Which element is X?
24. Why is nickel used in the hydrogenation of alkenes?A It
increases the yield of products.
B It lowers the activation energy of the reaction.C It makes the
reaction more exothermic.D It prevents a reverse reaction from
occurring.
25. Many properties of an element and its compounds can be
predicted from the position of the element in the Periodic
Table.What property could not be predicted in this way?A the acidic
or basic nature of its oxideB the formula of its oxideC the number
of isotopes it hasD its metallic or non-metallic properties
26. In the Periodic Table, how many periods are needed to
accommodate the elements of atomic numbers 1-18?A 2 B 3 C 4 D 827.
Which pair of properties are both correct for a typical transition
element?
property 1 property 2ABCD
forms coloured compoundshigh density
low melting pointlow density
soluble in waterhas variable oxidation states
can act as a catalysthigh melting point
28. Sodium, aluminium and sulphur are in the same period of the
Periodic Table. What trend in types of oxide occurs across this
period?
left rightABCD
acidicamphoteric
basicbasic
amphotericbasicacidic
amphoteric
basicacidic
amphotericacidic
29. Three elements X, Y and Z have consecutive, increasing
proton numbers. If element X is a noble gas, what will be the
symbol for the ions of element Z in its compounds?A Z2 B Z+ C Z2+ D
Z3+
17 21 25 29
18 22 26
19 23 27
20 24 28
Q.1.Balance the following equations. (5)
1. ____Fe2O3 + ____CO _____Fe + ____CO2
2. ____NaOH + ____H2SO4 ____Na2SO4 + ___H2O
3. ____Pb(NO3)2 ___PbO + ___NO2 + ____O2
4. ____MnO2 + _____HCl ____MnCl2 + ___Cl2 + ____H2O
5. ____Pb(NO3)2 + _____Na2SO4 ____PbSO4 + _____NaNO3
Q.2.Write down the chemical formula of the following (5)
1.Sodium Carbonate __________________
2.Silver Oxide __________________
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3Test-1 group-1
3.Zinc Hydroxide __________________
4.Calcium Sulfate __________________
5.Aluminium Phosphate __________________
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4Test-1 group-1
Q.1. The Periodic Table is arranged in groups.(a) Rubidium, Rb,
is in Group I of the Periodic Table. It reacts with water according
to the equation below.
2Rb(s) + 2H2O(l) 2RbOH(aq) + H2(g)Predict what you would see
when a small piece of rubidium is added to cold water.
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[3](b) Chlorine is in Group VII of the Periodic Table.Chlorine,
Cl2, reacts with aqueous sodium bromide.(i) Predict what you would
see in this reaction.
..(ii) Write a balanced ionic equation for this reaction.
[2](c) Lithium reacts with fluorine to form lithium fluoride.(i)
Draw a dot and cross diagram to show the bonding in lithium
fluoride. You should show all the electrons.
(ii) Explain why lithium fluoride conducts electricity when
molten but not as a solid.
..
..
..(iii) State one other physical property of lithium
fluoride.
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Q.2. This question is about the Periodic Table.The diagram below
shows part of the original Periodic Table first published by
Mendeleev in 1869.
The asterisks (*) show gaps in the table that Mendeleev
deliberately left.(a) Which group of elements in a modern Periodic
Table is missing from Mendeleevs Periodic Table?
.................................................................................................[1]
(b) Write two other differences between Mendeleevs original
table and a modern Periodic Table.
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.................................................................................................[2](c)
Find rubidium, Rb, in the Periodic Table provided on page
16.Predict the reaction between rubidium and cold water.Include
observations and the chemical equation.
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Q.3. Lithium is in Group I of the Periodic Table.Lithium reacts
with water to form lithium hydroxide and hydrogen.(a) Describe what
you would observe when a small piece of lithium is dropped onto the
surface of cold water.
.................................................................................................[2](b)
Write the equation for the reaction between lithium and water.
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[1](c) When lithium reacts with water, lithium ions, Li+, are
formed.
Li Li+ + eExplain why the formation of a lithium ion from a
lithium atom is an example of oxidation.
.................................................................................................[1](d)
Rubidium, Rb, is another element in Group I.Predict what you would
observe when a small piece of rubidium is dropped onto cold
water..................................................................................................
.................................................................................................[2]s06/q6
Q.4. Chlorine is in Group VII of the Periodic Table.Chlorine
reacts with aqueous potassium iodide to form potassium chloride and
iodine.(a) Describe what you would see when chlorine is added to
aqueous potassium iodide.
.................................................................................................
.................................................................................................[1](b)
Write the equation for the reaction between chlorine and potassium
iodide.
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[1](c) When chlorine reacts with potassium iodide, iodine molecules
are formed.
2I I2 + 2eExplain why the formation of an iodine molecule from
iodide ions is an example of oxidation.
.................................................................................................[1]
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5Test-1 group-1
(d) Astatine is another element in Group VII. It is highly
radioactive and so is very difficult to study.(i) Predict, with
reasons, whether astatine will react with aqueous potassium
iodide.
..........................................................................................................[1](ii)
Write the equation for the reaction between astatine and
sodium.
..........................................................................................................[1][Total:
5]
Q.5. This question is about the chemistry of the elements in
Period 3 of the Periodic Table.(a) Compare the reactions of sodium
and of magnesium with cold water. In each case identify the
products formed.
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.......................................................................................................[3](b)
Draw electronic structures, including the charges, of the ions
present in sodium oxide. Hence deduce the formula for sodium
oxide.
[2](c) Write an equation for the formation of aluminium oxide
from its elements.
..........................................................................................................[1](d)
Pure sand is silicon(IV) oxide. It has a giant molecular structure
similar to that of diamond. Suggest two physical properties of
silicon(IV) oxide.
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..........................................................................................................[2](e)
Chlorine(VII) oxide, C2O7, has a simple molecular structure.Suggest
one physical and one chemical property of C2O7.
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10]
Q.6. Chlorine, bromine and iodine are elements in Group VII of
the Periodic Table.
(b) Describe how you would carry out a series of experiments to
show the trend in reactivity of these three elements, using the
reagents shown below.
Aqueous chlorine aqueous potassium chlorideaqueous bromine
aqueous potassium bromideaqueous iodine aqueous potassium
iodide
Your answer should include details of which of the reagents you
would use in each experiment,
a table showing the observations you would expect to see, the
equations for any reactions.
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.......................................................................................................[7](b)
Chlorine reacts with water to make a solution that can be used as a
bleach. The equation is shown below.
C2 + H2O HC + COHUse oxidation numbers to show that chlorine is
both oxidized and reduced in this reaction.
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marks]
Q.7.Helium, neon, argon, krypton and xenon are noble gases.(a)
State a use for argon.
..........................................................................................................[1](b)
Use ideas about electronic structure to explain why the noble gases
are unreactive.
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..........................................................................................................[1](c)
Complete the table to show the number of particles in two isotopes
of argon.
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6Test-1 group-1
isotope number of protons
number of electrons
number of neutrons
3618 Ar4018 Ar
[2](d) Explain why potassium comes after argon in the Periodic
Table even though it has a relative atomic mass which is lower than
that of argon.
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.................................................................................................[1](e)
Compounds of xenon with fluorine were first made in the 1960s.Xenon
reacts with fluorine at 400 C to form xenon tetrafluoride, XeF4.
Write a symbol equation for this reaction.
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[1](f) Balloons filled with helium, neon, argon and krypton were
tied to a bar. They were held horizontally at the same height and
then released. The position of three of the balloons 5 seconds
after release is shown in the diagram.
Predict the position of the balloon filled with krypton.
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[1]Q.8. Germanium, Ge, is an element in Group IV of the Periodic
Table. Some of its chemistry resembles that of carbon.(a) How many
electrons does an atom of germanium have in its outer shell?
..........................................................................................................[1](b)
Germanium forms a range of saturated compounds with hydrogen. These
compounds resemble the alkanes.(i) Predict the general molecular
formula for these compounds.
..........................................................................................................[1](ii)
Germanoethane, Ge2H6, has a similar structure to ethane.Draw the
full structural formula for germanoethane.
..........................................................................................................[1](iii)
Hydrochloric acid reacts with magnesium germanide, Mg2Ge, to form
germanomethane, GeH4, and magnesium chloride.Write an equation for
this reaction.
..........................................................................................................[1](c)
Germanium(IV) oxide, GeO2, is an amphoteric oxide.What do you
understand by the term amphoteric?
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5]
