Answer:
Rn-224 --> Fr-224 + beta
Explanation:
Hi
When an isotope of radon 224 undergoes a radioactive decay by emitting a beta particle, an isotope of francium 224 is obtained.
Remember that the first letter of a chemical symbol is written with a capital letter
.
Radon: Rn
Francium: Fr
success with your homework
Answer:
seven litres i
i.e three litres plus four litres
Answer:
how to help people that helps
C. -2
For future reference, the periodic table should tell you.
