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.
The standard measurement system used by the scientists is called International System of Units, or SI. The units of measurement of a few physical quantities are considered to be base units; the units of measurement of all other quantities can be expressed through these. The base units are. Meter - a unit of length.