Radiation Safety Training Basic Radiation Physics Washington State University Radiation Safety Office - * Review. The three basic particles of an atom are, protons, neutrons, and electrons. Radiation is energy in the form of particles or rays given off by unstable atoms. | PowerPoint PPT presentation | free to view.
You might abbreviate the word measurement to measure., meas., or M., on a recipe card, on a lab report, or on shorthand notes. It is also common to see such abbreviations in headlines or newspaper titles where space is of concern. Outside of these specific instances, the word is not abbreviated in general prose.
Look up hectometre in Wiktionary, the free dictionary. The hectometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: hm) or hectometer (American spelling) is an uncommonly used unit of length in the metric system, equal to one hundred metres. It derives from the Greek word ekato, meaning hundred. A soccer field is approximately 1 hectometre in length. The hectare (ha), a common metric unit for land area, is equal to one square hectometre (hm2).