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What nucleus of atom contains ?

  • protons
  • electrons
  • electrons and protons
  • protons and neutrons

Answer: Option D

Similar Questions :

1. The cyclotron is used to

  • accelerating particles
  • separating elements
  • purifying metals
  • making alloys

Answer: Option A

2. Due to rusting the weight of iron

  • Decreases
  • Increases
  • Remains the same
  • Uncertain

Answer: Option B

3. The most abundant rare gas in the atmosphere is ?

  • He
  • Ne
  • Ar
  • Xe

Answer: Option C

4. Which of the following elements behave chemically both as a metal and a non metal?

  • Boron
  • Carbon
  • Argon
  • Mercury

Answer: Option A

5. The gas used for artificial ripening of green fruit is ?

  • ethane
  • ethylene
  • carbon dioxide
  • acetylene

Answer: Option B

Read more from - Chemistry Questions Answers
Post a comment

  • R Gyaneswar Reddy 11 years ago

    protons and neutrons

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