Which are radioactive isotopes of oxygen? (Hint: Add protons until the name changes to oxygen. Then, add neutrons until the
isotope is radioactive.)
Select one:
a.0-17 and 0-18
b. 0-13 and 0-19
c.0-14 and 0-16
d. O -16 and 0-19

Why are gamma rays not affected by a magnet as they pass over it? gamma rays are composed of only energy. gamma rays do not have enough mass to be affected. gamma rays do not have the right electrical charge to be affected. gamma rays move too fast for anything to affect their pathway.

If a solution had a ph of 7 what is the solution

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?