NEET Chemistry Classification of Elements and Periodicity in Properties MCQs

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    NEET Questions / Chemistry / Classification of Elements and Periodicity in Properties

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    Medeleev'S Periodic Table
    Position Of Element In P.T
    Iupac Names
    S,P,D,F-Block
    Types Of Elements
    Atomic Radius
    Ionisation Energy
    Electron Affinity
    Nature Of Oxides
    Electro Negativity, Electro Positivity, Valency
    Introduction
    61.

    An element X belongs to group 14 and period 3 of the periodic table. What is the number of valence electrons in X?

    A

    2

    B

    4

    C

    6

    D

    8

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Position Of Element In P.T
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :periodic table, groups, valence electrons
    62.

    Which block of the periodic table contains elements with their outermost electrons in the p-subshell?

    A

    s-block

    B

    p-block

    C

    d-block

    D

    f-block

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Position Of Element In P.T
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :periodic table, blocks, electron configuration
    63.

    An element has the electronic configuration 1s22s22p63s23p51s^22s^22p^63s^23p^5. In which period and group is this element located?

    A

    Period 2, Group 17

    B

    Period 3, Group 15

    C

    Period 3, Group 17

    D

    Period 4, Group 17

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Position Of Element In P.T
    🎓 Ncert Level:Application
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :periodic table, electronic configuration, periods, groups
    64.

    Which of the following elements is an alkali metal?

    A

    Na

    B

    Mg

    C

    Al

    D

    Si

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Position Of Element In P.T
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :periodic table, groups, alkali metals
    65.

    The element with atomic number 19 belongs to which period?

    A

    2

    B

    3

    C

    4

    D

    5

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Position Of Element In P.T
    🎓 Ncert Level:Application
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :periodic table, atomic number, electronic configuration, periods
    66.

    Elements in the same group of the periodic table have the same:

    A

    Number of protons

    B

    Number of neutrons

    C

    Number of valence electrons

    D

    Atomic mass

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:Position Of Element In P.T
    🎓 Ncert Level:Remembering
    🎯Difficulty :Easy
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :periodic table, groups, valence electrons
    67.

    Which of the following elements exhibits the highest oxidation state among its compounds?

    A

    Cr

    B

    Mn

    C

    Fe

    D

    Co

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:S,P,D,F-Block
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :d-block elements, oxidation states
    68.

    Which of the following lanthanides is most commonly used in making flints for lighters?

    A

    La

    B

    Ce

    C

    Pr

    D

    Nd

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:S,P,D,F-Block
    🎓 Ncert Level:Remembering
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :f-block elements, lanthanides, applications
    69.

    The electronic configuration of Cu+^+ ion is:

    A

    [Ar] 3d9^9 4s1^1

    B

    [Ar] 3d10^{10}

    C

    [Ar] 3d8^8 4s2^2

    D

    [Ar] 3d9^9 4s2^2

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:S,P,D,F-Block
    🎓 Ncert Level:Application
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :d-block elements, electronic configuration
    70.

    Which of the following properties generally decreases across the lanthanide series?

    A

    Atomic radius

    B

    Ionization energy

    C

    Electronegativity

    D

    Density

    Question Tags

    📚 Subject:Chemistry
    📑 Chapter:Classification of Elements and Periodicity in Properties
    🎯Topic:S,P,D,F-Block
    🎓 Ncert Level:Understanding
    🎯Difficulty :Medium
    ⚡ Time Required :1 mins
    🔄Ncert Concepts :f-block elements, lanthanide contraction

    Showing 61 to 70 of 979 entries

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