Match the elements in column A with the element group they belong to, in column B

 

Column A

(Element)

 

Column - B

(Group of element in the periodic table)

i.

Na

a.

Alkali metal

ii.

Cu

b.

Alkaline earth metal

iii.

Mg

c.

Transition metal

iv.

He

d.

Zero group element

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SSC CGL 2022 Tier-I Official Paper (Held On : 13 Dec 2022 Shift 3)
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  1. (i) - (a), (ii) - (d), (iii) - (b), (iv) - (c)
  2. (i) - (a), (ii) - (b), (iii) - (c), (iv) - (d)
  3. (i) - (a), (ii) - (c), (iii) - (b), (iv) - (d)
  4. (i) - (d), (ii) - (a), (iii) - (b), (iv) - (c)

Answer (Detailed Solution Below)

Option 3 : (i) - (a), (ii) - (c), (iii) - (b), (iv) - (d)
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SSC CGL Tier 1 2025 Full Test - 01
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Detailed Solution

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The correct answer is (i) - (a), (ii) - (c), (iii) - (b), (iv) - (d).

Key Points

  • Alkali metal:
    • Group 1 elements in the periodic table, consist of lithium, sodium, potassium, rubidium, cesium, and francium.
    • They are highly reactive, easily losing an electron to form a positive ion, and are stored under oil or inert gas to prevent reactions with air and moisture.
    • Alkali metals have low densities, and low melting points, and are good conductors of heat and electricity.
    • They have various uses, including in batteries, alloys, and as a coolant in nuclear reactors.
  • Alkaline earth metal:
    • Group 2 elements in the periodic table, including beryllium, magnesium, calcium, strontium, barium, and radium.
    • They are also reactive and easily lose two electrons to form a positive ion but are less reactive than alkali metals.
    • Alkaline earth metals have higher densities and melting points than alkali metals and are also good conductors of heat and electricity.
    • They have many practical applications, such as in construction materials, alloys, and fireworks.
  • Transition metal:
    • Elements in the d-block of the periodic table, consisting of groups 3-12, including iron, copper, silver, and gold.
    • They have multiple valence electrons and can form various oxidation states, giving them the ability to form complex compounds and exhibit colourful properties.
    • Transition metals have high densities, and melting points, and are good conductors of heat and electricity.
    • They have numerous applications in technology, such as in catalysts, electronic devices, and construction materials.
    • Group 18 elements in the periodic table, consisting of helium, neon, argon, krypton, xenon, and radon.
    • They are characterized by their extremely low reactivity and are usually found as monatomic gases in the atmosphere.
    • Noble gases have complete valence electron shells, making them chemically stable and unreactive with other elements.
    • They have applications in lighting, cryogenics, and as a shielding gas in welding.

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