Complete the statements:
1 a. A lone neutron spontaneously decays into a proton plus an _____.
b. Alpha and beta rays are made of streams of particles, whereas gamma rays are streams of _____.
c. An electrically charged atom is called an _____.
d. Different _____ of an element are chemically identical but differ in the number of neutrons in the nucleus.
e. Transuranic elements are those beyond atomic number _____.
f. If the amount of a certain radioactive sample decreases by half in four weeks, in four more weeks the amount remaining should be _____ the original amount.
g. Water from a natural hot spring is warmed by _____ inside Earth.
2. The gas in a little girl's balloon is made up of former alpha and beta particles produced by radioactive decay.
a. If the mixture is electrically neutral, how many more beta particals than alpha particles are in the balloon?
b. Why is your answer not "same"?
c. Why are the alpha and beta particles no longer harmful to the child?
d. What elements does this mixture make?
1 a. A lone neutron spontaneously decays into a proton plus an _____.
b. Alpha and beta rays are made of streams of particles, whereas gamma rays are streams of _____.
c. An electrically charged atom is called an _____.
d. Different _____ of an element are chemically identical but differ in the number of neutrons in the nucleus.
e. Transuranic elements are those beyond atomic number _____.
f. If the amount of a certain radioactive sample decreases by half in four weeks, in four more weeks the amount remaining should be _____ the original amount.
g. Water from a natural hot spring is warmed by _____ inside Earth.
2. The gas in a little girl's balloon is made up of former alpha and beta particles produced by radioactive decay.
a. If the mixture is electrically neutral, how many more beta particals than alpha particles are in the balloon?
b. Why is your answer not "same"?
c. Why are the alpha and beta particles no longer harmful to the child?
d. What elements does this mixture make?