Chapter 00016 Word Scramble
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Question | Answer |
What is Radioactivity? | It is the process by which an unstable nucleus gives off nuclear radiation. |
What is Mass Number? | It is the sum of the numbers of protons and nuetrons in the nucleus of an atom. |
What is Isotope? | It is an atom that has the same number of protons, as other atoms of the same element do but that has a different number of nuetrons. |
What is Half-life? | It is the time needed for half of a sample of a radioactive substance to undergo radioactive decay. |
What is Alpha Decay? | This is an alpha particle. |
What is Alpha Particle? | It is made up of two protons and two nuetrons. |
What is Beta Decay? | This is a beta particle. |
What is Beta Particle? | This can be an electron or positron. |
What is Gamma Decay? | This is the release of gamma rays from a nucleus. |
What is Gamma Ray? | This is the form of light that has very high energy. |
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