(2 Points) Name ALL the SI Base units Which are NOT defined in terms of Unchanging physical phenomena:
(2 points) The SI unit “mole” contains about this many (a NUMBER) “entities” :
(2 point) According to the Using Units Presentation the year in which The First “Atomic Clock” became operational was:
(2 points) Name ALL of the SI Base Units:
(2 points) Common measurements units can be “Derived” from the 7 basic SI units. Some of these derived units are given special names; e.g., the derived unit for electrical charge is called the “coulomb”. Other than the coulomb, list FOUR special-name units derived from the SI basis units.