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Identify the Elements
Can you pick the Chemical elements by their descriptions??
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How to Play
Click the green button to start and enter the correct answers below
Click on the element that matches its description. Not all elements are included.
The Digestion Progression Challenge
Most abundant element in the Universe
Makes party balloons float
Lightest metal; Bipolar disorder therapy
Emeralds, X-ray tubes; nuclear weapons
Temperature resistant glass; '20 Mule Team' detergeant
Diamonds; organic chemistry
Major component of the earth's atmosphere
Can't breathe without it
Highly reactive gas; Added to toothpaste to prevent decay; One isotope used in PET scanning
Inert gas; Times Square at night
Soft, reactive metal; Its chloride can be found on most kitchen tables
Lightweight metal; Antacids; Burns white hot
Wrap your left-overs with this metal
Most common element in Santa Clara County, CA?
Fertilizer; comes in many 'colors' including red, white, purple and black.
Almost odorless, many of this yellow element's compounds 'stink'
WW I poison gas; found in swimming pools and bleach
Third most abundant element in the atmosphere
Pure metal highly reactive; most common cation in animal cells
Lime; Healthy bones and teeth
Adds strength to aluminum baseball bats
Strong lightweight metal; Aerospace; Orthopaedic implants
Stainless steel; colorful compounds; Classic car bumpers/fenders
Essential trace element, its oxide is the black stuff in old-fashioned dry cell batteries; Responsible for the color of amethysts
Primary component of all steel alloys
Magnetic metal; Part of vitamin B12
Despite its name, it makes up only 25% of a U.S. five-cent piece
Found in coins, brass, batteries, galvanized steel
Melts on a warm day; stays liquid over a range of 2100 degrees
Semiconductors; Tarnish-resistant silverware; thermal imaging
Erstwhile favorite poison for detective fiction
Essential trace element; photocells; DC surge protectors; dandruff therapy
The only nonmetal liquid at room temperature
It's a noble gas, not a superhero's home planet
'Alkaline-earth' element; provides scarlet color in fireworks
With aluminum, forms synthetic garnet used in lasers
Corrosion-resistant alloys; nuclear power plants; one form of its oxide used as would-be cheap diamond substitute
Additive to high-strength steels; Superconducting alloys
Adds strength to steel; its sulfide is used as high temperature lubricant
First synthetic element; One of its isotopes is the most commonly used radionuclide in nuclear medicine
Catalytic converters; highly reflective, often electroplated to make jewelry shinier
Used in catalytic converters and 'white gold'
Was the major component of U.S. half dollars until 1964
Toxic metal formerly widely used in rechargeable batteries
Soft metal, easily cut with butter knife; Low-melting point alloys; thin-film LCDs
Add copper to make bronze or pewter; Has most stable isotopes of all elements
Alloyed with Lead for bullets and batteries
Metalloid; improves machineability of steel. Found in semiconductors, solar panels and blasting caps
A healthy thyroid gland needs this
Noble gas but can form compounds, especially with fluorine and oxygen; Ion propulsion; high-speed strobe lights
Most reactive metal; 'atomic clocks'
Having an Upper GI X-ray? Drink up!
Most common constituent of cigarette lighter 'flints'
Lanthanide; adds yellow color to glass
Lanthanide; Component, with Fe & B of most powerful permanent magnets
Only radioactive lanthanide
Lanthanide; With Cobalt, makes strong permanent magnet
Lanthanide; Red color for TV and computer monitors; named for a continent
Lanthanide; MRI contrast agents
Superalloys; Nuclear control rods; Its carbide is one of the most refractory substances, melting at 3900 C.
High temperature alloys; Its carbide has a hardness exceeded only by diamond
Very dense metal; Light bulb filament; X-ray tubes
Only three elements are denser; only two have higher melting points. None has a higher boiling point
Heavyweight champ; pen nibs and tissue stains
Extremely dense, refractory, corrosion resistent metal; Asteroids; Geological layer dating to late Cretaceous
Catalytic converters; electrodes; precious jewelry
Malleable, conductive, dense, coveted
Liquid; Toxic; Bygone thermometers
Former rat poison; an isotope is used for heart imaging
Toxic heavy metal. Often end product of radioactive decay
Low melting point alloys; Upset stomach therapy
Isolated by the Curies; named for Marie's native country
Noble gas; Second most common cause of lung cancer
Radioactive alkali metal
Decay product of Uranium, once used to make luminous watch dials
Discovered 1899; Highly radioactive extremely rare; found in minute quantities in Uranium ore
Radioactive, naturally-occurring metal; more common than uranium; high-quality lenses, arc-lights
Among the rarest of naturally occurring elements, its name is derived from fact that it decays to actinium
Nuclear power plant fuel
Has fissile isotope; neutron detector; one of the densest of elements
Fuel used in first successful A-bomb test
Alpha-emitter in smoke detectors
Named for husband & wife team who discovered radium; used in spectrometer on Mars Rover
Transuranic metal named for branch of U of Calif where first synthesized
Named for 1921 Nobel Prize winner (for his work on photoelectric effect)
Named for 1938 Nobel Prize winner, led team that created first nuclear reactor
Named for father of the Periodic table
Named for inventor of dynamite
Named for inventor of the cyclotron
Named for New Zealand-born discoverer of the nucleus
Named for city that is home of Joint Institute for Nuclear Research; First proposed name was Hahnium
Named for 1951 Nobel Prize winner, discoverer of many actinide elements
Named for Danish physicist, 1922 Nobel Prize winner
Named for a pioneer in nuclear fission, who had to battle prejudice as a woman and a Jew
Named for discoverer of X-rays
Recently recognized by IUPAC, named for astronomer who discovered that earth revolves around the sun.
Name recently approved by IUPAC; named for famed research facility in the San Francisco Bay area.
Name recently approved by IUPAC; named for Russian scientist who founded Joint Institute for Nuclear Research
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