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Elements
Facts about elements.
124
Physics
9th Grade
12/11/2007
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Term
Atomic number-37
 Definition
Rubidium
Term
Atomic weight- 85.4678
 Definition
Rubidium
Term
Rb
 Definition
Rubidium
Term
Melting point- 39.3 C
 Definition
Rubidium
Term
Boiling point- 688C
 Definition
Rubidium
Term
1861- Discovered by Bunson and Kerchoff
 Definition
Rubidium
Term
Soft, silvery, white
 Definition
Rubidium
Term
Bright and shiny in air
 Definition
Rubidium
Term
Reacts violently to water
 Definition
Rubidium
Term
Origin of Rubidium's name
 Definition
Latin
Term
Fact about Rubidium
 Definition
Photocell component
Term
Atomic #-20
 Definition
Calcium
Term
Atomic mass- 40.078
 Definition
Calcium
Term
Type of Calcium
 Definition
Alkaline earth metal
Term
Calcium % of Earth's crust
 Definition
3% or more
Term
Location of calcium
 Definition
Limestone
Term
State of calcium
 Definition
Solid
Term
Year of discovery of Calcium
 Definition
1808
Term
Discoverer of Calcium
 Definition
Humphrey David
Term
Sources of Calcium
 Definition
Milk, yogurt
Term
Xe
 Definition
Xenon
Term
Atomic #- 54
 Definition
Xenon
Term
Atomic mass- 131.29
 Definition
Xenon
Term
Melting point- -111.9C
 Definition
Xenon
Term
Boiling point- -108C
 Definition
Xenon
Term
Element used in blue lights
 Definition
Xenon
Term
Discoverer of Xenon
 Definition
Sir William Rancy and Mr. Travers
Term
Year of discovery of Xenon
 Definition
1898
Term
Location of Xenon
 Definition
England
Term
Uses of Xenon
 Definition
Powerful lamps and bubble chambers
Term
Contained form of Xenon
 Definition
Liquid air
Term
Xenon's type
 Definition
Noble gas
Term
Shape of Xenon
 Definition
Cubical crystal
Term
Popularity of Xenon in air
 Definition
1/20,000,000
Term
Te
 Definition
Technetium
Term
Is technetium used in many products? Why or why not?
 Definition
No, it is radioactive.
Term
Year of discovery of technetium
 Definition
1939
Term
Discoverers of Technetium
 Definition
Perrier and Segre
Term
Place of discovery of technetium
 Definition
Europe
Term
Atomic number- 43
 Definition
Technetium
Term
Number of Technetium's radioactive isotopes
 Definition
22 radioactive isotopes
Term
Rusting speed of Technetium
 Definition
Slow
Term
Cost of technetium before 1960
 Definition
$2,800
Term
Cost of technetium with ORNL permit
 Definition
$60
Term
Uses of technetium
 Definition
1 isotope used to locate tumors in spleen, liver, brain and thyroid, conducts electricity.
Term
1st ________________ element
 Definition
artificial
Term
Location of technetium, why is this important?
 Definition
On S, M and N stars. It proves the theory of star evolution.
Term
Ti
 Definition
Titanium
Term
Ar
 Definition
Argon
Term
Discoverers of Argon
 Definition
Rayleigh and Ramsy
Term
Argon's uses
 Definition
Incandescent and flourescent light bulbs
Term
Melting point- 83.8 K
 Definition
Argon
Term
Boiling point- 87.36 K
 Definition
Term
Popularity of gas in the atmosphere
 Definition
3rd most abundant
Term
Origin of name of Argon
 Definition
Greek
Term
Appearence of Argon
 Definition
Colorless
Term
O
 Definition
Oxygen
Term
Boiling point- -182.95C
 Definition
Oxygen
Term
Melting point- -218.79C
 Definition
Oxygen
Term
Oxidation states- -2
 Definition
Oxygen
Term
Discoverer of oxygen
 Definition
Joseph Presley
Term
Year oxygen was discovered
 Definition
1774
Term
Origin of name of oxygen
 Definition
Greek
Term
Oxy
 Definition
Acid sharp
Term
Appearence of Oxygen
 Definition
Colorless
Term
Taste of oxygen
 Definition
Tasteless
Term
Scent of oxygen
 Definition
Odorless
Term
___ most abundant gas in earth's crust
 Definition
3rd
Term
Kr
 Definition
Krypton
Term
Discoverer of Krypton
 Definition
Sir William Ramsey
Term
Year of discovery of Krypton
 Definition
1898
Term
Appearence of krypton
 Definition
Colorless
Term
Taste of krypton
 Definition
Tasteless
Term
What happens when krypton is subject to electrical discharge
 Definition
It turns pale violet
Term
Origin of name of krypton
 Definition
Greek
Term
Krytos
 Definition
Hidden
Term
Ag
 Definition
Silver
Term
Number of protons and neutrons in silver
 Definition
47 protons, 61 neutrons
Term
Uses of silver
 Definition
Jewlery, photography paper
Term
Year of discovery of silver
 Definition
Unknown
Term
Discoverer of silver
 Definition
Unknown
Term
I
 Definition
Iodine
Term
Discoverer of iodine
 Definition
Courtois
Term
Year of discovery of Iodine
 Definition
1811
Term
Benefits of iodine
 Definition
Helps thyroid, teeth, nails and hair.
Term
Location of iodine
 Definition
Sea weed, salt water
Term
H
 Definition
Hydrogen
Term
Melting point: 13.8K
 Definition
Hydrogen
Term
Boiling point: 20.28 K
 Definition
Hydrogen
Term
Discoverer of hydrogen
 Definition
Henry Cavendish
Term
Year of Hydrogen's discovery
 Definition
1766
Term
Color of hydrogen
 Definition
Colorless
Term
Odor of hydrogen
 Definition
Odorless
Term
State of hydrogen
 Definition
gas
Term
Uses of hydrogen
 Definition
Ammonia, methanol, plastics, pharmaceuticals, pollution-free energy
Term
Au
 Definition
Gold
Term
Origination of word Gold
 Definition
Anglo Saxon
Term
Uses of gold
 Definition
Dentistry, acupuncture
Term
Gold is ______ when it is purer.
 Definition
Darker
Term
Melting point- 194.97 F
 Definition
Gold
Term
Gold leafing
 Definition
Process in which they form gold.
Term
Cr
 Definition
Chronium
Term
Discoverer of Chronium
 Definition
Louis Nicholas Vanquelin
Term
Uses of Chromium
 Definition
Used for cutting tools, armor
Term
Origin of word chromium
 Definition
Greek
Term
The word "chromium" comes from "_______"
 Definition
Chromia
Term
Ne
 Definition
Neon
Term
Neon's location
 Definition
Common in universe, rare on Earth
Term
State of Neon
 Definition
Gas
Term
Appearence of Neon
 Definition
Colorless
Term
Appearence of Neon under pressure
 Definition
Red glow under pressureee
Term
Origin of Word Neon
 Definition
Greek
Term
Discoverer of Neon
 Definition
William Ramsey
Term
Year Neon Discovered
 Definition
1868
Term
What does helius mean?
 Definition
Heliocentric
Term
Melting point- .95 K
 Definition
Neon
Term
Uses of Neon
 Definition
MRI, diving equipment
Term
___ Most Abundant Element (Neon)
 Definition
2nd
Term
Boiling point: 4.216 K
 Definition
Neon
Term
Atomic mass- 47.88
 Definition
Titanium
Term
Appearence of titanium
 Definition
Solid rock, silver
Term
Uses of titanium
 Definition
Jewlery, platinum cards
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