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phosfurus
Title: phosfurus
Category: Science & Technology
Details: Words: 923 | Pages: 3.9 (approximately 235 words/page)
phosfurus
PHOSPHORUS
In 1669 the German alchemist Hennig Brand discovered the
chemical element known as phosphorus. The element got its name
from the Greek phosphoros, meaning "light bearing," because in
the dark and in moist air it can be seen to glow with a dull white
light.
For a time early scientists thought that phosphorus might be
the source of the light emitted by fireflies and certain other
creatures. It is not. The firefly' s light, however, …showed first 75 words of 923 total…
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…showed last 75 words of 923 total…to make the proteins
and enzymes that an organism needs to carry out its life processes.
In another series of biochemical reactions a phosphate group and
ADP are combined to form ATP. The energy therefore is stored in
ATP becomes available to power other biochemical reactions.
Properties of Phosphorus
Symbol: P
Atomic Number: 15
Atomic Weight: 30.9738
Group in Periodic Table: Va
Specific Gravity at : 39.2º F (4º C) (white) 1.82
Boiling Point : (white) 536º F (280º C)
Melting Point: 111.4º F (44.1º C)
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