Answer:
Yes
Explanation: Had a question like this and I said yes and got it right
He used a magnet to find that the negatively charged particles to be smaller then the atom.
He discovered electrons.
Answer:
Explanation:
Half time is period required to desintegrating the half of the initial number of atoms. Then, the total time is:
The statement seems to be true, as per my knowledge.
Hope I helped!! xx