Page 19 - ICSE Chemistry 6

Some Other Notable Scien sts and their Discoveries
Daniel Rutherford Discovery of nitrogen

Henry Cavendish Discovery of hydrogen
Joseph Priestley Discovery of oxygen

Acharya Prafulla Chandra Ray Development of mercury compounds
Marie Curie Discovery of radium (a radioactive metal)

Notable Indian Chemists/Scien sts and their Contribu on

P.C. Ray Founded India’s ϐirst pharmaceutical company
Provided foundation for Bose-Einstein statistics and the
S.N. Bose
theory of Bose-Einstein condensate
C.N.R. Rao Contributed mainly in solid-state and structural chemistry

Venkatraman Ramakrishnan Structure and function of ribosomes

Activity 1.3

Aim: To prepare a PowerPoint presenta on on ‘The Great Chemists’
Use the Internet to collect pictures of some notable chemists. Also, fi nd informa on related to their
contribu on to the fi eld of chemistry and their life.

Using this informa on, create a PowerPoint presenta on.

Take a Break!

Fill in the blanks.
1. ________________ is the knowledge a ained through study or prac ce.

2. ________________ is a branch of physical science.
3. Alchemy aimed at fi nding ________________.

4. ________________ was the fi rst one to formulate the modern periodic table of elements.
5. Ernest Rutherford performed the famous ________________.
6. ________________ proposed that energy levels of electrons are discrete.

IMPORTANCE OF CHEMISTRY

Chemistry is of vital importance and plays a fundamental role in all aspects of life. The human ac vi es
performed in everyday life, directly or indirectly, depend on the applica ons of chemistry. Chemical
processes take place to produce numerous useful substances. Chemistry helps us to understand ourselves

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