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Atomic Structure CHEMISTRY - Atomic Structure

ICSE - STD 8 - CHEMISTRY (ICSE - English Medium). 52 questions in this chapter.

Question types

Atomic Structure question types

52 questions across 7 question groups — pick any mix to generate a CHEMISTRY paper with step-by-step answer keys.

52
Questions
7
Question groups
5
Question types
Sample Questions

Atomic Structure questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 23MCQ1 Mark
Multiple Choice Questions The sum of number of protons and number of neutrons present in the nucleus of an atom is called its
  • ✓
    mass number
  • B
    atomic number
  • C
    number of electrons
  • D
    all of the above

Answer: A.

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Q 24MCQ1 Mark
Multiple Choice Questions The number of electrons in an atom is equal to number of
  • ✓
    protons in a neutral atom
  • B
    neutrons in a neutral atom
  • C
    nucleons in a neutral atom
  • D
    none of the above

Answer: A.

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Q 25MCQ1 Mark
Multiple Choice Questions If the atomic number of an atom is $17$ and mass number is $35$ then number of neutron will be
  • A
    $35$
  • B
    $17$
  • ✓
    $18$
  • D
    $52$

Answer: C.

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Q 26MCQ1 Mark
Multiple Choice Questions The sub atomic particle with negative charge is
  • A
    proton
  • B
    neutron
  • ✓
    electron
  • D
    nucleon

Answer: C.

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Q 27MCQ1 Mark
Multiple Choice Questions number of valence electrons present in magnesium is
  • ✓
    two
  • B
    three
  • C
    four
  • D
    five

Answer: A.

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