The answer for it is C. when you mix it with water it fizzes
Explanation:
b I dont really know okau
Answer:
P2N5
Explanation:
you have to plus it 2 times
There is fr-218
hope this did the job, have a nice rest of your day!!
A large unstable nucleus becomes tinier and emits an alpha
particle during Alpha decay. 4/2He or the alpha particle that consists of two
protons and two neutrons can be discharged from the nucleus during the disintegration
of radioactive decay. It has a charge of
positive 2.
