Biology Worksheet 13.docx - Zoya Kai Ph.D Bio 316...

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Zoya Kai, Ph.D. Bio 316: Review #U2W5 CSUSM 1) In an atom, an electron orbits the nucleus. 2) In a neutral atom, the number of electrons balances out the number of protons . 3) In an ion, the number of electron is different than the number of protons. 4) With ionizing radiation, it can strip electrons from atoms. 5) True or false : ionizing radiation is low energy. 6) True or false: reactive ions can irreversibly damage DNA. 7) True or false: x-rays are a form of ionizing radiation. 8) True or false: in radioactivity, the nucleus of a radioactive atom decays. 9) There are three types of radioactivity: 1) Alpha particles 2) Beta particles
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