1 Face value is the money amount the bond will be worth at its maturity, and is also the reference amount the bond issuer uses when calculating interest payments.  Coupon rate is the rate of interest the bond issuer will pay on the face value of the bond, expressed as a percentage.
The modern atomic theory traces back to ancient Greece where philosophers theorized that matter could be divided down until it reached a single, indivisible part. In the 19th century, this concept was brought into mainstream thought as physicists and chemists began to find more evidence for the existence of the atom.
As a result. - for over two thousand years - the atomic theory lay dormant. 1803 - atomic theory. John Dalton, English chemist, revived the term of the atom when he suggested that each element was made up of unique atoms and the atoms of an element are all the same. He formulated his theory that chemical reactions result from the union and separation of these atoms and that atoms have characteristic properties.