The world's longest ongoing war. For more than 60 years, Karen rebels have been fighting a civil war against the government of Myanmar. In February 1949, members of the Karen ethnic minority launched an armed insurrection against Myanmar's central government.
In Chemistry the quantities of a dozen, a century, a gross, ream and millennium are far too small. Even a million is too small. One million atoms of iron weighs 0.0000000000000000928 grams! Chemistâs measure atomic particles using a large QUANTITY called the mole. One mole is equal to 602214179000000000000000 or 6.022 x 1023 particles.
4 Chapter 3 7 The Mole â¢The mole (mol and abbreviated n) is a unit of measure that allows us to make comparisons between substances that have different massesâ¢ A mole is Avogadroâs number of atoms, that is 6.022 Ã10 23 atoms.