Three types of radioation - Alpha, Beta, Gamma. hope this helps
Answer:
900
Explanation:
v = s / t = 9000m / 10 s = 900m/s
Answer:
Mg- 27 means isotope with 12 protons and 15 neutrons.
Also 27 is mass number which express sum of protons and neutrons.
In nucleus one neutrn decays to electron and proton. Mass number remain same but Al-27 nucleus contain 13 protons and 14 neutrons. Electron is ejected out from nucleus.
It is know as smoke because if you cook food smoke will go up in the air and that makes vapor and also water from the ground it suck up
