Consider the table below that summarizes the types of materials that can block the 3 different types of radiation.Material123LeadStoppedStoppedStoppedClothNot stoppedStoppedStoppedAluminum foilNot stoppedStoppedStoppedWoodNot stoppedStoppedStoppedPaperNot stopped StoppedNot stoppedThick concreteStoppedStoppedStoppedBased on the table, at which numbered spot in the table does each type of radiation belong?
Two protons and two neutrons are released as a result of this reaction. Rn Po + ?Which particle is released?

While a certain isotope decays, it emits photons. What kind of decay is happening?
How can a scientist assess whether a pure niobium (Nb) sample is responsible for contaminating the lab with radioactivity?
In alpha decay, alpha particles are ejected from the nucleus. Which equation represents alpha decay?




An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. What other characteristic does the radiation have?
What type of particle has no mass or charge?
What is a key difference between chemical and nuclear reactions?
An isotope undergoes radioactive decay. The new isotope that forms has an atomic number that is 2 less than the original isotope’s. Which kind of decay has occurred, and how do you know?
What can form as a result of a chemical reaction?
Two protons and two neutrons are released as a result of this reaction. Rn Po + ?Which particle is released?

What is the most penetrating kind of radiation product that can be shielded with aluminum foil?
While a certain isotope decays, it emits photons. What kind of decay is happening?
Deuterium is an isotope of hydrogen. The nucleus of a deuterium atom consists of one proton and one neutron. When two deuterium nuclei fuse, helium-3 is formed, and a neutron is emitted. Which equation illustrates this process?




What can form as a result of a chemical reaction?
How can a scientist assess whether a pure niobium (Nb) sample is responsible for contaminating the lab with radioactivity?
An atom that has 84 protons and 86 neutrons undergoes a reaction. At the end of the reaction, it has 82 protons and 84 neutrons. What happened to the atom?
Which can have either a positive charge or a negative charge when they are released during radioactive decay?
What type of particle has no mass or charge?
An isotope undergoes radioactive decay. The new isotope that forms has an atomic number that is 2 less than the original isotope’s. Which kind of decay has occurred, and how do you know?
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