Chemical Reactions
Chemical reactions are the heart of chemistry. People have always known that they exist. The Ancient Greeks were the firsts to speculate on the composition of matter. They thought that it was possible that individual particles made up matter. Later, in the Seventeenth Century, a German chemist named....
Chemical Reactions
Chemical Reactions
Chemical reactions are the heart of chemistry. People have always known that they exist. The Ancient Greeks were the firsts to speculate on the composition of matter. They thought that it was possible that individual particles made up matter.
Later, in the Seventeenth Cent....
Dimitri Mendeleev
Dimitri Mendeleev
The youngest of fourteen children, Dimitri Mendeleeev was a son of the director of a local gymnasium. Dimitri Ivanovitch Mendeleev was born in Tobolsk, Siberia, on February 7th, 1834. Dimitris father died of Pneumonia when Dimitri was young. His mother educated him in the ....
John Dalton
Atomic theory is used in chemistry and physics. This is a theory of the nature of matter, which states that matter is composed of separate units called atoms, while opposite to outdated views that matter could be divided into random small amounts. The atomic theory sis not just appears out of thin a....
John Dalton
John Dalton (a British chemist and physicist) was born on September 6, 1766, in Eaglesfield, Cumberland County, England. He was son of a weaver, received education from his father and at a Quaker school in his local town. He started teaching at the age of twelve at a village school. Then he moved to....