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NEET UG Structure of Atom — practice questions — page 5

Explore 125 free Structure of Atom questions in NEET UG Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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Structure of Atom questions and exercises with answers

Showing questions 121–125 of 125.

Count the shells and orbitalsRead the answer and worked solution →True or false on atomic structureRead the answer and worked solution →Fill the gaps on atomic structureRead the answer and worked solution →Quick picks on atomic structureRead the answer and worked solution →Spot the one that does not fitRead the answer and worked solution →

Worked practice questions

Count the shells and orbitals

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Questions
  1. Answer
    3
    Question
    How many quantum numbers designate an orbital?
  2. Answer
    3
    Question
    How many sub-shells in the third shell?
  3. Answer
    9
    Question
    How many orbitals in the shell where n is 3?
  4. Answer
    2
    Question
    Electrons allowed in one orbital?
Instructions
Type the number only.
_Source: syllabus Chemistry, Ch 2 'Structure of Atom'_

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True or false on atomic structure

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Questions
  1. Statement is true
    Yes
    Statement
    Chadwick discovered the neutron.
  2. Statement is true
    No
    Statement
    A neutron is lighter than a proton.
  3. Statement is true
    Yes
    Statement
    Thomson's model spreads charge evenly.
  4. Statement is true
    No
    Statement
    Two electrons may share all four numbers.
  5. Statement is true
    Yes
    Statement
    An orbital holds at most two electrons.
  6. Statement is true
    No
    Statement
    Sub-shell l equal to 2 is called p.
Instructions
Decide whether each statement is true or false.
_Source: syllabus Chemistry, Ch 2 'Structure of Atom'_

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Fill the gaps on atomic structure

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Missing parts
  1. Answer
    1906
    Choices
    1. 1906
    2. 1916
    3. 1926
  2. Answer
    1919
    Choices
    1. 1919
    2. 1929
    3. 1909
  3. Answer
    1932
    Choices
    1. 1932
    2. 1922
    3. 1942
  4. Answer
    1926
    Choices
    1. 1926
    2. 1936
    3. 1916
Complete the statement
Thomson won his Nobel in {0}. The proton was characterised in {1}. The neutron was found in {2}. Pauli gave his principle in {3}.
Instructions
Tap a word to drop it into the empty slot.
_Source: syllabus Chemistry, Ch 2 'Structure of Atom'_

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