Scientific Measurement

basic purpose of this lecture is to describe on Scientific Measurement In chemistry, Scientific Measurement are either very small or very large; 1 gram of hydrogen = 602, 000, 000, 000, 000, 000, 000, 000 atoms; Mass of an atom of gold = 0.000 000 000 000 000 000 000 327 gram. Measurement system: When a given number is written as the product of 2 numbers: M x 10n; M must be greater than or equal to 1 and less than 10; n must be: whole number and positive or negative.