100 g will become 25 g in two half lives so it is 3200 years.
77) The half life of radium is about 1600 years. Of 100 g of radium existing now, 25 g will remain unchanged after
Answer is:
3200 years
Explanation:
Related Atoms and Nuclei MCQ with Answers
Answer is:
14
Explanation:
total no. of particles at start =1+7=8 N/No =1/8 =(1/2)n =>n=3 So, t=3*2=6
Answer is:
alpha particles
Explanation:
An electric field can deflect alpha particles.
Answer is:
(ZA)X?where X is the chemical symbol of the species
Explanation:
Nuclear species or nuclides are shown by the notation (ZA)X?where X is the chemical symbol of the species
Answer is:
Positron
Explanation:
The?positron?or antielectron is the antiparticle or the antimatter counterpart of the electron. The?positron?has an electric charge of +1 e, a spin of 1/2, and has the same mass as an electron.