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- 1. Multiple ChoiceAfter the nucleus of a radioactive element undergoes changes, the element can transform into ...(a) a different isotope of the same element.(b) an entirely different element.Both (a) and (b)Neither (a) nor (b)
- 2. Multiple ChoiceAlpha particles.....a) are positively charged.b) consist of two protons and four neutrons.c) can penetrate any thickness of matterd) All of the above
- 3. Multiple ChoiceThe process of nuclear change in an atom of radioactive material is called...nuclear decaynuclear massisotopesradon
- 4. Multiple ChoiceDuring beta decay, a nucleus ....gives up two protons and two neutrons.maintains the same number of protons and neutrons.loses a proton and gains a neutron.gains a proton and loses a neutron.
- 5. Multiple ChoiceWhen a nucleus undergoes nuclear decay by gamma rays, the atomic number of the element....remains the samedecreases by one.increases by one.increases by two.
- 6. Multiple ChoiceThe process of the production of lighter nuclei from heavier nuclei is calledmass energymagneticismfusionfission
- 7. Multiple ChoiceRadioactive materials have unstable...electronsprotonsnucleineutrons
- 8. Multiple ChoiceThe type of radioactive particle that can be stopped by a sheet of paper is the ____.alpha particlebeta particlegamma rayuranium
- 9. Multiple ChoiceThe most penetrating type of radiation is the ____.alpha particlegamma raybeta particleuranium
- 10. Multiple ChoiceA helium nucleus with two protons and two neutrons is called a(n) ____.alpha particleelectroscopebeta particlegamma ray
- 11. Multiple ChoiceNegatively charged particles emitted from a nucleus at a high speed are ____.alpha particlegamma raysbeta particlesX rays
- 12. Multiple ChoiceThe three types of nuclear radiation in increasing order of penetrating power are ____.alpha, beta, gammaX ray, beta, gammaalpha, gamma, betaX ray, gamma, beta
- 13. Multiple ChoiceRadioactive tracers are useful in ____.calculating the ages of fossilsfueling nuclear reactionsdetermining medical problemstreating brain tumors
- 14. Multiple ChoiceThe process by which nuclei having low masses are united to form nuclei with larger masses is ____.a chain reactionfissiona chemical reactionfusion
- 15. Multiple ChoiceFor which of the following problems would a scientist most likely use carbon-14?
to calculate the age of the Earth's oldest rocksto calculate the age of a piece of boneto identify the elements that make up a rockto identify the elements that make up a bone - Answer choicesTagsAnswer choicesTags