Author Question: When two atoms of 2H are fused to form one atom of 4He, the total energy evolved is 3.83 10-12 J. ... (Read 30 times)

daltonest1984 · **on:** Aug 27, 2018

When two atoms of 2H are fused to form one atom of 4He, the total energy evolved is 3.83 10-12 J. What is the total change in mass (in kg) for this reaction? (c = 3.00 108 m/s)

A) 1.28 10-17
B) 4.26 10-26
C) 3.45 108
D) 1.15
E) 4.26 10-29

Question 2

What is the name of the family of elements in Group IA/1?

A) alkali metals
B) alkaline earth metals
C) halogens
D) noble gases
E) none of the above