No Picture

Chemistry – Measurements

05/11/2015 admin 0

Measurement : A measurement must always contain a quantity (number) and a unit. Example:   1 Centimeter Quantity    Unit Scientific Notation: Chemists often work with numbers that […]

No Picture

pre world war 2

03/11/2015 admin 0

  London economic conference (1933) The conference Represenatatives from 66 countries met in London on June 12, 1933 The goal was to stabilize international currencies, […]

1 24 25 26