aliensbrain
  • Home
  • Study
  • Quizzes
  • 🎤AI Practicefree
  • Notebooks
  • Community
  • Sign in
Multiple choice

Which of the following elements are radioactive?

  1. Cesium
  2. Barium
  3. Radium
  4. Francium
  5. Rubidium

  1. 1, 2 and 3

  2. Only 2 and 4

  3. Only 3 and 4

  4. 3, 4 and 5

  5. Only 4 and 5

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Radium and francium are radioactive elements.

Keep practicing — related questions

  • Which one of the following is radioactive?
  • If A [2] [2] [2] contains element 1 2 3 4 5 6 7 8. Then A [0] [0] [1] contains which element?
  • Which of the following are peptide hormones? 1. ANF 2. Cortisol 3. MSH 4. Testosterone 5. Vasopressin
  • Which of the following pituitary hormones are called gonadotrophins? 1. GH 2. PRL 3. TSH 4. ACTH 5. LH 6. FSH
  • Match the following: ||| |---|---| |1. ZnSO4|a. Molecular solid| |2. H2O|b. Metallic solid| |3. Sn|c. Ionic...
  • Identify the correct sequence for stack, if the input sequence is 1, 2, 3, 4 and 5.
  • Arrange the following countries in decreasing order of their total population. 1. Indonesia 2. Brazil 3. Pa...
  • Directions: The sentence below is divided into three parts 1, 2 and 3. One of the parts may have an error. ...

Practice this topic

  • Radioactivity and Nuclear Physics (526 questions)
Advertisement
© Aliensbrain | all rights reserved
  • About
  • Contact
  • Terms and Condition
  • Privacy Policy