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Unformatted text preview: 3.23 Note:Give the atoms/mL for Na, Cl, H, and O. and Rate the following radiations from most (1) to least (4) penetrating. __) Beta __) Gamma (662 KeV) __) X-Ray (110 KeV) __) Alpha The maximum range of an alpha particle in air is no more than: a) 7 cm b) 1 m c) 10 mm d) 1 foot . How many protons are there in the nucleus of a) 226 b) 88 c) 138 Ra and Ra are _________ of Radium 226 228 a) isotones b) isotopes c) isomers d) isobars EEE498 Health Physics Principles Spring 2012...
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- Spring '08