|
Fact |
Category |
Date |
|
916 |
Th is the symbol for the chemical element thorium. |
Science > Chemistry |
06/05/08 |
|
917 |
The atomic mass of hydrogen is 1.0079. |
Science > Chemistry |
05/21/08 |
|
918 |
The atomic number for potassium is 19. |
Science > Chemistry |
07/16/08 |
|
919 |
The atomic number of a gold atom is 79. |
Science > Chemistry |
09/03/13 |
|
920 |
The base of the binary system is 2. |
Science > Math |
08/12/08 |
|
921 |
The base of the decimal system is ten. |
Science > Math |
08/08/08 |
|
922 |
The base of the duodecimal system is 12. |
Science > Math |
01/31/09 |
|
923 |
The base of the quinary system is 5. |
Science > Math |
08/14/08 |
|
924 |
The base of the vigesimal is 20. |
Science > Math |
08/06/08 |
|
925 |
The bee hummingbird is the world's smallest bird. |
Science |
06/10/08 |
|
926 |
The brightest star in the night sky is Sirius. |
Science > Astronomy |
11/01/08 |
|
927 |
The center of the Andromeda Galaxy is a supermassive black hole. |
Science > Astronomy |
12/01/10 |
|
928 |
The chemical symbol for sulphur is S. |
Science > Chemistry |
06/03/08 |
|
929 |
The closest star to Earth, besides the Sun, is Proxima Centauri. |
Science > Astronomy |
06/29/08 |
|
930 |
The first electric battery was the voltaic pile, invented by Alessandro Volta in 1800. |
Science > Physics |
02/04/09 |
|
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