Chemistry Handout 2 Quiz
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Questions and Answers

What happens to electronegativity down a group in the periodic table?

  • Remains the same
  • First increases, then decreases
  • Decreases (correct)
  • Increases

Which element has the highest electronegativity?

  • Cesium (Cs)
  • Chlorine (Cl)
  • Iodine (I)
  • Fluorine (F) (correct)

What is the ionization energy of an atom?

  • Energy needed to transfer an electron from one orbit to another
  • Energy needed to add an electron to an atom
  • Energy needed to convert the atom into a radioactive isotope
  • Energy just enough to cause the electron to escape from the isolated atom (correct)

How does the oxidising power of elements change across a period?

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

Which group of metals do Be, Mg, and Ca belong to?

<p>Alkaline earth metals (B)</p> Signup and view all the answers

Which of the following elements is the first transition element in the periodic table?

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

Which three elements were forecasted by Mendeleev?

<p>Ga, Ge, Al (A)</p> Signup and view all the answers

Identify the first lanthanoid element.

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

Which of the following is recognized as the strongest oxidizing agent?

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

The least electronegative element among the following is?

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

Which element's electron affinity is known to be zero?

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

In which group of the periodic table are the coinage metals placed?

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

Which element is situated in the first period of the periodic table?

<p>both (A) &amp; (B) (A)</p> Signup and view all the answers

Which group of the periodic table contains chalcogens?

<p>Group–VI (B)</p> Signup and view all the answers

In which group of the periodic table can you find monoatomic gases?

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

For which element is the ionization energy highest?

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

Which pair of elements does not demonstrate a diagonal relationship?

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

What is the atomic number of an element that is in the 4th period of the periodic table?

<p>20 (C)</p> Signup and view all the answers

Which element is not a super halogen?

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

What defines the physical and chemical characteristics of elements, according to Modern Periodic Law?

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

What is the first transition series period in the periodic table?

<p>4th (A)</p> Signup and view all the answers

What makes noble gases chemically inactive?

<p>closed valence shell (D)</p> Signup and view all the answers

Eka-aluminium and Eka-silicon correspond to which elements?

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

Which experiment proved the significance of atomic number?

<p>Moseley’s work on X-ray spectra (C)</p> Signup and view all the answers

If the atomic number of an element is 20, in which group will it be placed in the periodic table?

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

Which metal is known as the most malleable?

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

Which element has the highest melting point?

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

Which pair of atomic numbers corresponds to s-block elements?

<p>3, 12 (C)</p> Signup and view all the answers

What primarily accounts for the increase in atomic size down a group?

<p>additive electrons are accommodated in new shell (A)</p> Signup and view all the answers

Flashcards

First transition element

Scandium (Sc) is the first element in the transition metal series.

Elements Mendeleev forecasted

Mendeleev predicted the existence of gallium (Ga), germanium (Ge), and eka-aluminum (Al).

First Lanthanoid element

Cerium (Ce) is the first lanthanoid element.

Strongest oxidizing agent

Fluorine (F) is the strongest oxidizing agent among the listed elements.

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Least electronegative element

Cesium (Cs) is the least electronegative element.

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Inert gases

Inert gases are noble gases like Helium, Neon, Krypton, etc

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Lowest ionization energy group

Group IA (alkali metals) has the lowest ionization energy.

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Smallest Cation

Lithium ion (Li+) is the smallest cation among the given options.

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Ionization Energy

The energy required to remove an electron from an isolated gaseous atom.

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Chalcogens

Elements in Group 16 of the periodic table.

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Diagonal Relationship

Similarities in properties between elements diagonally positioned in the periodic table.

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Atomic Number and Period

The atomic number determines the element's period in the periodic table.

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Electron Affinity

Energy change when an electron is added to an isolated gaseous atom or ion.

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Modern Periodic Law

The properties of elements are periodic functions of their atomic numbers

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Transition Metals

Metals that form ions with incomplete d orbital

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Monoatomic Gases

Gases that exist as single atoms.

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Noble gas inactivity reason

Noble gases are chemically inactive due to a complete valence electron shell.

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Eka-elements

Predicted elements, predicted by Mendeleev, that were later found and verified.

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Modern periodic table basis

The modern periodic table arranges elements according to their atomic number.

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Element position (atomic no. 20)

An element with atomic number 20 is in the second group (Group 2) of the periodic table.

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Most malleable metal

Gold (Au) is the most malleable metal.

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Highest melting point element

Tungsten (W) has the highest melting point.

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S-block elements

Elements in groups 1 and 2 of the periodic table are classified as s-block elements.

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Variable valency elements

Elements in the d-block of the periodic table often exhibit variable valency.

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Electronegativity trend down a group

Electronegativity decreases as you move down a group on the periodic table.

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Highest electronegativity element

Fluorine (F) has the highest electronegativity among the listed options.

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Ionization energy definition

The energy needed for an electron to escape from an isolated atom.

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Oxidizing power trend across a period

Oxidizing power increases across a period from left to right, generally.

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Number of liquid elements

There are 6 liquid elements in the periodic table.

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Study Notes

Multiple Choice Questions - Chemistry Handout 2

  • First transition element: Scandium
  • Mendeleev's forecasted elements: Gallium, Germanium, and Scandium
  • First lanthanoid element: Lanthanum
  • Strongest oxidizing agent: Not specified.
  • Least electronegative element: Francium
  • Stranger gas: Xenon
  • Lowest ionization energy group: Group 1
  • Smallest cation: Lithium
  • Lightest non-inflammable gas: Hydrogen
  • Element with zero electron affinity: Cesium
  • Coinage metals group: Group 11 (Copper (Cu), Silver (Ag), Gold (Au))
  • First period element: Hydrogen, Helium

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Description

Test your knowledge on the properties and elements of chemistry with this quiz based on Chemistry Handout 2. Questions cover various transition elements, lanthanoids, and key concepts such as electronegativity and ionization energy. Challenge yourself to recall essential facts and figures.

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