Q.1.
Which type of radiation has the greatest penetrating power?
Q.2.
The nuclear process occurring at a nuclear power plant.
Q.3.
What is the missing isotope that will balance the following nuclear equation?94Be + → _____ + 42He
Q.4.
If we start off with element 24Xafter an alpha decay we get another element Y that looks like
Q.5.
Carbon-has 98.abundance, carbon-has 1.abundance, and carbon-has 0.abundance. Which isotope contributes most to the average atomic mass?
Q.6.
If Thorium-undergoes a beta decay, What element will be left in its place?
Q.7.
What is NOT a characteristic of an alpha particle?
Q.8.
What does it mean when an element is radioactive?
Q.9.
Which produces more energy--nuclear fission or nuclear fusion?
Q.10.
What is the half-life of an isotope if after 20.0 days you have 4.0 grams remaining of a 64.0 grams sample?
Q.11.
The force that holds the protons and neutrons together in the nucleus of an atom is called __________.
Q.12.
The half-life of a radioactive isotope is 20.0 minutes. What is the total amount of a 1.00-gram sample of this isotope remaining after 1.hour?
Q.13.
During fission, some of the nuclear mass is converted into
Q.14.
Arrange in order of increasing ability to penetrate matter.
Q.15.
What kind of a nuclear reaction changes the number of protons in the nucleus?
Q.16.
Which of the following is a fusion reaction?
Q.17.
In fission neutron is often used to start the reaction and it is also a product of the reaction. This is called a ____
Q.18.
Detects radiation by counting electric pulses carried by gas atoms ionized by radiation
Q.19.
In the symbolwhat the 7 stand for?
Q.20.
What is the equation for the positron emission by oxygen-16?