Which of the following is the most stable element?

Related Mcqs:

1. Which of the following is a positively charged particle emitted by a radioactive element?

   A. Beta Rays
   B. Alpha Rays
   C. Gamma Rays
   D. None of these

   Submitted by: AKBAR ALI

2. Which of the following is a transition element?

   A. Cl
   B. Cu
   C. S
   D. None of these

   Submitted by: Majid Ali

3. Which is the most electro-negative element among the following _________?

   A. Fluorine
   B. Bromine
   C. Sodium
   D. Oxygen

   Submitted by: Malik Asghar Hussain

4. Which one of the following is not a radioactive element ?

   A. Cadmium
   B. Thorium
   C. Radium
   D. Uranium

   Submitted by: Mansoor Ahmed Suhag

5. The most abundant element in the universe is __________.

   A. Oxygen
   B. Hydrogen
   C. Carbon Dioxide
   D. Silicon

6. The half life of a radioactive element is 8-days. How long it take to reduce it from 10 mg to 5 mg?

   A. 4 days
   B. 12 days
   C. 16 days
   D. 8 days
   E. None of these

7. Which is the most abundant element in the atmosphere?

   A. Nitrogen
   B. Hydrogen
   C. Nickle
   D. Oxygen

   Submitted by: Arsalan hashmi

8. Isotopes of an element have the same number of _______?

   A. Neutrons
   B. Protons
   C. Electrons
   D. Beta rays

   Updated by: Qurrat

9. In whole Periodic Table which element Is Most Reducing Agent ?

   A. Chlorine
   B. lithium
   C. Helium
   D. Neon

   Submitted by: Ali Jan

10. Which element has the second most % in human body?

    A. Oxygen 65%
    B. Calcium 75%
    C. Hydrogen 10%
    D. Carbon 18%

    Submitted by: Syed Nizakat Ali Shah