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Indian Navy INET Hydrogen — practice questions

Explore 2 free Hydrogen questions in Indian Navy INET Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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Hydrogen questions and exercises with answers

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Worked practice questions

JEEMAIN · Chemistry · Spot the Error — Chemistry Basics

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Questions
  1. Statement parts
    1. The
    2. atomic
    3. number
    4. equals
    5. the
    6. number
    7. of
    8. neutrons
    9. .
    Correction
    protons
    Incorrect part
    neutrons
  2. Statement parts
    1. Isotopes
    2. have
    3. the
    4. same
    5. mass
    6. number
    7. but
    8. different
    9. atomic
    10. numbers
    11. .
    Correction
    atomic
    Incorrect part
    mass
  3. Statement parts
    1. Electrons
    2. occupy
    3. orbitals
    4. starting
    5. from
    6. the
    7. highest
    8. energy
    9. level
    10. .
    Correction
    lowest
    Incorrect part
    highest
  4. Statement parts
    1. The
    2. s
    3. orbital
    4. can
    5. hold
    6. up
    7. to
    8. six
    9. electrons
    10. .
    Correction
    two
    Incorrect part
    six
Instructions
Tap the incorrect word in each statement.

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Which of the following elements would lose an electron easily?

  1. Mg
  2. Na
  3. K
  4. Ca
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Correct answer: C. K

This Periodic Classification of Elements item tests a core Chemistry concept. Correct answer: K. _Source: syllabus Exemplar Science Class 10_

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