O Level Chemistry: Periodic Trends Quiz
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Questions and Answers

What is the correct value of W for chlorine's boiling point in the table?

  • –34 (correct)
  • 100
  • 0
  • 445

What is the correct value of X for copper's melting point?

  • 1000
  • 445
  • 2900
  • 1083 (correct)

Which elements form coloured compounds as stated in the Periodic Table?

  • W, X, and Y (correct)
  • X and Z
  • X and Y
  • W and Z

Which element in Period 3 has a structure indicated in the diagram?

<p>silicon (D)</p> Signup and view all the answers

Which of the following statements is not correct regarding elements W, X, Y, and Z?

<p>Y cannot form an oxide. (B)</p> Signup and view all the answers

Which statement about the properties of elements X, Y, and Z is correct?

<p>X and Y have high melting points. (D)</p> Signup and view all the answers

Which element is likely to have the highest boiling point based on the provided values?

<p>copper (C)</p> Signup and view all the answers

Which element has the same electronic configuration as the strontium ion?

<p>Calcium (A)</p> Signup and view all the answers

Which statement accurately describes elements in the same group of the Periodic Table?

<p>They exhibit similar chemical properties. (C)</p> Signup and view all the answers

What will occur when a strip of zinc is placed in copper(II) sulfate solution?

<p>Copper will be deposited on the zinc strip. (D)</p> Signup and view all the answers

Which noble gas has the highest boiling point?

<p>Krypton (D)</p> Signup and view all the answers

Which of the following electronic configurations represents non-metallic elements?

<p>2, 8, 8 (A)</p> Signup and view all the answers

In which order are the elements W, X, and Y arranged in the Periodic Table from left to right?

<p>Y → W → X (B)</p> Signup and view all the answers

An element from Period 2 that is a reactive non-metal would most likely have which of the following outer electron configurations?

<p>2, 5 (C)</p> Signup and view all the answers

Which material would not cause the bulb in an incomplete electrical circuit to light?

<p>Diamond (B)</p> Signup and view all the answers

What can be concluded about an element in Group VII and Period 3?

<p>It possesses 7 electrons in its outermost shell. (D)</p> Signup and view all the answers

What is a correct statement about the elements V, W, X, Y, and Z?

<p>W is more reactive than Z. (B)</p> Signup and view all the answers

In which group of the Periodic Table will the element that forms an ion X3– be found?

<p>Group V (C)</p> Signup and view all the answers

Which correctly identifies characteristics of metallic elements in the same period?

<p>They typically have one to three electrons in their outer shell. (D)</p> Signup and view all the answers

What deduction can be made about the element astatine (At) from its position in Group VII?

<p>It is a solid. (C)</p> Signup and view all the answers

Which of these describes the trend in reactivity of alkaline earth metals as you move down the group?

<p>Reactivity increases. (B)</p> Signup and view all the answers

What property indicates that element Y has a pH of 12 when reacting with water?

<p>It is a strong base. (B)</p> Signup and view all the answers

Which statement is true regarding the relationship between group number and valence electrons in the Periodic Table?

<p>Group number corresponds to the number of valence electrons. (B)</p> Signup and view all the answers

What is the charge on a radium ion?

<p>2+ (C)</p> Signup and view all the answers

What gas is collected using anhydrous calcium chloride in a laboratory apparatus?

<p>Hydrogen (A)</p> Signup and view all the answers

Which pair of letters represents elements that are in the same period in the Periodic Table?

<p>Q and T (B)</p> Signup and view all the answers

Which property is common to calcium, potassium, and sodium?

<p>They are all metallic. (D)</p> Signup and view all the answers

What is the correct formula of the compound formed between elements Q and R?

<p>Q2R (C)</p> Signup and view all the answers

Which statement regarding lithium and rubidium is correct?

<p>They have the same number of electrons in their outer shell. (D)</p> Signup and view all the answers

When chlorine displaces an element from aqueous potassium astatide, which element is displaced?

<p>Astatine (A)</p> Signup and view all the answers

Which option correctly describes a characteristic of metals?

<p>They typically have high melting points. (D)</p> Signup and view all the answers

How many periods in the Periodic Table include the elements of atomic numbers 1-18?

<p>3 (D)</p> Signup and view all the answers

Which observation is typical of a solid non-metal element?

<p>It forms an acidic oxide. (B)</p> Signup and view all the answers

What compounds would we expect selenium to form, given that it is in the same group as sulfur?

<p>SeO2, Na2Se and NaSeO4. (D)</p> Signup and view all the answers

Which statement is true about sulfur, atomic number 16?

<p>Sulfur can form the ion S2–. (D)</p> Signup and view all the answers

What is element X if it is a solid at room temperature and needs one electron to gain a noble gas structure?

<p>Li (D)</p> Signup and view all the answers

Which statement is accurate regarding elements X and Y in Group VII, where X is a liquid and Y is a solid at room temperature?

<p>Atoms of Y have more protons than atoms of X. (D)</p> Signup and view all the answers

Which property cannot be predicted from an element's position in the Periodic Table?

<p>The number of isotopes it has (C)</p> Signup and view all the answers

Which element has similar chemical properties to the element with proton number 12?

<p>13 (D)</p> Signup and view all the answers

Flashcards

Reactivity in the same group

Elements in the same group of the Periodic Table do not necessarily have the same reactivity

Elements with 4 outer electrons

Elements with 4 electrons in their outer shell are not always metals, they can be non-metals as well

Group II ion charge

Elements in Group II of the Periodic Table form ions with a 2+ charge, not 2-

Same period, same electron shells

Elements in the same period of the Periodic Table have the same number of electron shells

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Silver in copper sulfate

Silver immersed in copper(II) sulfate solution results in copper depositing on the silver strip, not the silver dissolving

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Metallic electronic configurations

Metallic elements in the same period have varying numbers of electrons in their outer shell, for the electronic configurations to represent metals that are in the same period

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Period 3, Group VII element

Elements in Period 3 and Group VII have 7 electrons in their outer shell and form ions with a 1- charge

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Metallic electronic configurations

The configuration 2, 8, 1 represents metallic elements in the same period of the periodic table

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Chlorine melting point

The temperature at which chlorine changes from a solid to a liquid.

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Copper boiling point

The temperature at which copper changes from a liquid to a gas

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Iron melting point

The temperature at which iron changes from a solid to a liquid

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Element properties in the periodic table

Properties of elements in a specific period or group may share similarities or have trends.

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Colored compounds in periodic table

Certain elements can form compounds that display vibrant colors.

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High melting point elements

Elements with high melting points require significant heat energy to transition from solids to liquids.

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Elements acting as catalysts

Certain elements can accelerate chemical reactions without being consumed in the process.

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Elements in period 3 structure

The structural arrangement of elements in the third row (period) of the periodic table.

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Strontium Ion Configuration

The strontium ion (Sr²⁺) has the same electron configuration as an atom of a particular element in the periodic table. Identify this element.

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Noble Gas Boiling Point

The boiling points of noble gas elements increase as their atomic size increases. Which noble gas has the highest boiling point?

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Periodic Table Trends

Three elements, W, X, and Y, are in the same period of the periodic table. X forms compounds with formulas XCl₂ and XCl₃. Y reacts with water to form a solution of pH 12. W reacts with water similarly to Y but less vigorously. Order these elements from left to right along the period.

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Conductivity and Bulb

A material is placed between points P and Q in an incomplete electrical circuit containing a bulb. Which material would NOT cause the bulb to light?

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Ion Formation

Element X forms an ion with a 3- charge (X³⁻). Which group of the periodic table would X be found in?

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Astatine's Characteristics

Astatine (At) is located in Group VII of the periodic table. What deduction can be made about its properties?

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Metallic Reactivity

Which statement about the elements V, W, X, Y, and Z, in the same period (not shown), is correct?

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Electronic Configuration and Group

An element forms an X³⁻ ion. In which group of the periodic table is X found?

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Rubidium atom vs. ion size

Rubidium ions (Rb+) are smaller than rubidium atoms (Rb). This is because the ion has lost an electron, resulting in a stronger attraction between the nucleus and the remaining electrons, pulling them closer to the nucleus.

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Periods in the Periodic Table (elements 1-18)

The Periodic Table is arranged into horizontal rows called periods. Elements 1-18 span across the first three periods.

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Solid non-metal properties

Solid non-metals typically form acidic oxides when reacting with oxygen. They don't conduct electricity well and can have multiple oxidation states.

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Selenium compounds

Selenium (Se) is in the same group as sulfur, so it has similar properties and forms similar compounds.

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Sulphur's properties

Sulfur can form the S2- ion, reacts with metals to produce sulfides, and forms acidic oxides, but it doesn't dissolve in water to form sulfuric acid.

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Element X's properties

Element X, being in the same group as halogens, needs one electron to gain a noble gas configuration. It is a solid at room temperature and the least reactive element in its group. Thus, it is likely to be astatine (At).

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Group VII properties

Elements in Group VII, also called halogens, have similar properties. Y, being a solid at room temperature, has more protons than X, a liquid at room temperature. Y displaces X from solutions of X- ions due to its higher reactivity.

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Periodic Table predictions

While the Periodic Table helps predict many properties, it can't predict the number of isotopes an element has. Isotopes are variations of an element with different numbers of neutrons.

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Radium Ion Charge

Radium (Ra) is in the same group as magnesium, and elements in the same group have similar properties. Radium forms a 2+ ion, just like magnesium.

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Anhydrous Calcium Chloride

Anhydrous calcium chloride is used to dry gases by absorbing water vapor, often used in experiments to collect dry gases.

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Same Period Elements

Elements in the same period of the periodic table have the same number of electron shells. They can be found in the same horizontal row.

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Group II Ion Formation

Elements in Group II of the Periodic Table form ions with a 2+ charge. They lose two electrons to achieve a stable electron configuration.

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Common Properties of Group I Elements

Calcium, potassium, and sodium are all in Group I of the periodic table and share common properties like being metallic, forming ions with a 1+ charge, and reacting with water.

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Compound Formula Prediction

Elements Q and R are in the same period and form a compound by combining their ions. You can predict the formula by understanding their charges and balancing them.

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Lithium and Rubidium: Group I Properties

Lithium and rubidium are both in Group I of the periodic table and form 1+ ions. Lithium is smaller than rubidium due to its fewer electron shells.

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Study Notes

Periodic Trends - Question Paper

  • Exam: O Level Chemistry
  • Exam Board: Cambridge International Examinations
  • Topic: Periodic Table, Periodic Trends

Question 1

  • Correct statement about elements in the Periodic Table: Elements in the same period have the same number of electron shells.

Question 2

  • Silver strip in copper(II) sulfate solution: No reaction occurs.

Question 3

  • Electronic configurations of metallic elements in the same period:
    • 2, 8, 1
    • 2, 8, 2
    • 2, 8, 3

Question 4

  • Element in Period 3, Group VII: The element will have 7 electrons in its outer shell.

Question 5

  • Physical properties of chlorine, copper, and iron:
    • Chlorine: Melting point -101 °C, Boiling point W °C
    • Copper: Melting point X °C, Boiling point 2582 °C
    • Iron: Melting point 1539 °C, Boiling point Y °C
    • Correct values: Chlorine: -101°C, copper 1083°C, iron 2887°C

Question 6

  • Statements about elements W, X, Y, and Z:
    • Elements W, X, and Y form coloured compounds. (Correct)
    • Elements X, Y, and Z have high melting points. (Correct)
    • Elements X and Y act as catalysts. (Incorrect)
    • Correct statements: 1 and 2

Question 7

  • Element in Period 3 from the diagram: Silicon

Question 8

  • Statement not correct about elements W, X, Y, and Z: The melting point of W is lower than that of Z.

Question 9

  • Periods needed to accommodate elements 1-18: 4

Question 10

  • Element with the same electronic configuration as strontium ion: Rubidium

Question 11

  • Noble gas with highest boiling point: Krypton

Question 12

  • Order of elements W, X, and Y in the Periodic Table: X → Y → W

Question 13

  • Material that will not light the bulb: Diamond

Question 14

  • Correct statement about the elements X, Y, and Z: W is more reactive than Z

Question 15

  • Group of the Periodic Table for element X (forming X³⁻ ion): Group VII

Question 16

  • Deduction about astatine (At) based on its group: It is more reactive than iodine.

Question 17

  • Charge on a radium ion: 2+

Question 18

  • Gas prepared and collected: Hydrogen chloride

Question 19

  • Pair of letters representing elements in the same period: P and S.

Question 20

  • Correct number of protons and electrons in an ion from Group II: (16, 18)

Question 21

  • Common property of calcium, potassium, and sodium: They are all metallic.

Question 22

  • Electronic structures only found in metals: 2, 8, 3

Question 23

  • Formula for the compound formed between Q and R: Q₂R₃

Question 24

  • Correct statement about lithium and rubidium: Lithium ions and rubidium ions have the same number of electrons in their outer shell.

Question 25

  • Number of periods containing elements 1-18: 3

Question 26

  • Observation of a solid non-metal: It forms an acidic oxide.

Question 27

  • Formula for Selenium compounds: SeO₂, Na₂Se, and Na₂SeO₄

Question 28

  • Correct statement about sulphur (atomic number 16): Sulphur can form the ion S²⁻.

Question 29

  • Element X: Fluorine (F)

Question 30

  • Correct statements about elements X and Y: (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

Question 31

  • Property of an element not predicted by Periodic Table position: Number of isotopes

Question 32

  • Element with similar chemical properties to element with proton number 12: Element with proton number 32

Question 33

  • Trend in oxide types across a period:
    • Left to Right: Acidic → Amphoteric → Basic

Question 34

  • Property same for two elements in the same group: Their electronic structure.

Question 35

  • Correct statement about the Periodic Table: The reactivity of the elements decreases down Group I.

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Periodic Trends Question Paper PDF - Cambridge International Examinations

Description

Test your knowledge on the periodic table and periodic trends with this O Level Chemistry quiz. Each question challenges your understanding of elements, their properties, and electronic configurations. Perfect for Cambridge International Examinations students preparing for their exams.

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