Element Summary Slides Directions: Go to View – slideshow and scroll through slides as a review activity. The answer to the clues will not be displayed until you arrow down at that slide. NOTE: all graphics without a URL were provided with the text book –Chemistry – Matter and Change by Glencoe/McGraw Hill Jodi Grack; Wayzata High School

Element Summary most abundant metal third most abundant element in earth’s crust usually found in nature combined with oxygen or silicon bauxite is the name of its ore this element’s sulfate “alum” used in antiperspirants and remove suspended particles during water purification ANSWER = Aluminum Jodi Grack; Wayzata High School

Element Summary A reddish-brown liquid Highly reactive ANSWER = bromine Jodi Grack; Wayzata High School

Element Summary This element has 3 main allotropes – diamond, graphite, and charcoal The study of this element is given its own branch of chemistry called “Organic Chemistry” ANSWER = carbon Jodi Grack; Wayzata High School

Element Summary three solid allotropes = white (bursts into flames in air thus stored in water), red (used on striking surface for match boxes); black (formed when other under high pressure) compounds used in fertilizers; ANSWER = phosphorus Jodi Grack; Wayzata High School

Element Summary Colorless diatomic gas Element with the highest electronegativity most reactive nonmetal Latin “fluere” “to flow” the element’s compounds are added to toothpaste and drinking water, also in non- stick surfaces; ANSWER = fluorine Jodi Grack; Wayzata High School

Element Summary metalloid Used in computer chips and solar cells second most abundant element in Earth’s crust after oxygen Usually exists as “silica”. Silica found in quartz crystals, sand, and glass ANSWER = silicon Borosilicate glass Jodi Grack; Wayzata High School

Element Summary Soft, highly reactive metal Most abundant metal in its group Present in vapor lamps heat exchanger in nuclear reactors most common positive ion in fluid outside cells (flow into cells when nerve cell is stimulated); in table salt ANSWER = sodium Jodi Grack; Wayzata High School

Element Summary reacts with most elements deadly yellowish green gas Its compounds disinfect sewage Its compounds are used as bleaching agents and to remove stains dentist use compounds to block pain an element in the acid found in your stomach, part of PVC pipes ANSWER = chlorine Jodi Grack; Wayzata High School

Element Summary its chloride can be used as a salt substitute found in compounds used in fertilizers its nitrate used as explosive and for fireworks most common positive ion inside the cell in table salt Reacts vigorously w/water ANSWER = potassium Jodi Grack; Wayzata High School

Element Summary radioactive element found in smoke detectors ANSWER = americium Jodi Grack; Wayzata High School

Element Summary forms explosives gains 3 electrons to form -3 ion colorless, odorless; relatively unreactive 78% earth’s atmosphere contained in protein; bacteria in soil “fix” this element into compounds which contain this element used in making ammonia (cleaning product); explosives (TNT and nitroglycerine), dyes, and fertilizers; ANSWER = nitrogen Liquid nitrogen Jodi Grack; Wayzata High School

Element Summary ten allotropes its oxide is found in acid rain Present in the compound that has a rotten egg smell released through ocean vents ANSWER = sulfur Jodi Grack; Wayzata High School

Element Summary Unreactive gas Light displays named after this element which gives off orange light ANSWER = neon Jodi Grack; Wayzata High School

Element Summary Flammable, colorless, diatomic gas has 3 isotopes (protium, deuterium, and tritium) The gas that caused the Hindenberg to explode. ANSWER = hydrogen Jodi Grack; Wayzata High School

Element Summary best conductor transition metal precious metal ANSWER = silver Jodi Grack; Wayzata High School

Element Summary contained in peptobismal “Wood’s metal” alloy ANSWER = bismuth Jodi Grack; Wayzata High School

Element Summary found widely in nature especially as a metal carbonate Its carbonate compound is the main ingredient in limestone, chalk, and marble; coral reefs exoskeletons; antacid tablets; abrasive in toothpaste ANSWER = calcium limestone Jodi Grack; Wayzata High School

Element Summary unreactive gas most abundant member of its family (1% atmosphere) Used in high temperature welding for an inert environment used in filament of incandescent light bulbs and as layer of insulation between panes of glass ANSWER = argon Jodi Grack; Wayzata High School

Element Summary Abundant can be formed into almost any shape lighter alloy than steel (bicycles, backpack frames, “mag” wheels) needed in plants (in chlorophyll) its ion is important in muscle function and metabolism part of “hard” water (with Ca 2+ ) – ions interfere with action of soaps and detergents; can form “scum” (deposits) that clog pipes, water heaters, and steam irons Burns in CO 2 ANSWER = magnesium Magnesium Ribbon Burning magnesium ribbon “mag” wheel Jodi Grack; Wayzata High School

Element Summary FYI – Magnesium can burn in carbon dioxide, like many things can burn in oxygen, thus CO 2 fire extinguishers do not work to put out Magnesium fires. ANSWER = magnesium CLEVELAND, OH - 30 Dec 2003 Firefighters Let Magnesium Fire Burn Itself Out In Cleveland (Photo by John Bashian/Getty Images) Jodi Grack; Wayzata High School

Element Summary softer than most metals found in bronze and pewter ANSWER = tin Tin shot pewter Tin & lead Bronze Tin foil - tin & copper Jodi Grack; Wayzata High School

Element Summary least reactive alkali in long-lasting batteries used in de-humidifiers to absorb water its carbonate is used to strengthen glass and as a drug for bipolar disorder In alloys in airplanes (strong & lightweight). ANSWER = lithium Jodi Grack; Wayzata High School

Element Summary found combined with Al, Si, O in “beryl” used in alloys where sparks bad only metal in its group that doesn’t form an alkaline solution when it reacts with water. ANSWER = beryllium “beryl” Jodi Grack; Wayzata High School

Element Summary discovered in emission spectrum of sun found in earth natural gas wells (light enough to escape gravity) used in blimps air ships and balloons mixed with O 2 for divers to prevent “bends” coolant for supercooling magnets ANSWER = helium Jodi Grack; Wayzata High School

Element Summary Least representative of its group found in borosilicate glass (withstand extreme differences in temp) main source = borax (Mojave Desert); borax = cleaning agent & fireproof insulation; boric acid = disinfectant & eye wash its nitride is the second hardest known material (superabrasive) ANSWER = boron Borosilicate glass Borax Jodi Grack; Wayzata High School

Element Summary This element has two main allotropes 20% earth’s atmosphere, colorless, odorless gas needed for combustion produced in photosynthesis most abundant element in earth’s crust ANSWER = oxygen Jodi Grack; Wayzata High School

Element Summary The only metal that is a liquid at room temperature toxic Forms amalgams ANSWER = mercury Jodi Grack; Wayzata High School

Element Summary Transition metal that is found uncombined in nature Good conductor, found in electrical wiring Highly ductile orangish-brown in color ANSWER = copperANSWER = copper Jodi Grack; Wayzata High School

Element Summary scientist using this element’s nitride to make blue laser (triple storage capacity – shorter wavelength – also increase speed and resolution of laser printers) ANSWER = gallium low m.p. (melt in hand)low m.p. (melt in hand) its arsenide is used in semiconductor chips in light-powered solar calculators and solar panels (10x more efficient than Si chips)its arsenide is used in semiconductor chips in light-powered solar calculators and solar panels (10x more efficient than Si chips) Jodi Grack; Wayzata High School

Element Summary found as part of a compound in fish, eggs, and grains (works w/ vit. E prevent cell damage; prevent cancer growth?) “locoweed” plant – get sick can convert light into electricity – used in solar panels photographers use in light meters photocopiers work because charged particles of this element create an “image” of item semiconductor ANSWER = selenium Jodi Grack; Wayzata High School

Element Summary Toxic metal Has a low m.p maybe first obtained from ore (due to low m.p.) used to be used for eating utensils, pipes additive in gas in paint currently used in storage batteries ANSWER = lead Jodi Grack; Wayzata High School

Sources Silicon Silcon-quartz Neon sign “Ne” - sign “Ne” - Neon tube - tube - Hydrogen Bismuth Peptobismal - library.thinkquest.org/2824/Digestive.htmlPeptobismal - library.thinkquest.org/2824/Digestive.htmllibrary.thinkquest.org/2824/Digestive.html Calcium Limeston Argon – inert environment – inert environment Argon – fill glass - – fill glass - Argon blue sign - blue sign - Argon light bulb - light bulb - Magnesium Ribbon - Ribbon - Magnesium burning - Magnesium wheel - burning - Magnesium wheel - Magnesium ribbon - ribbon - Magnesium burning - burning - Jodi Grack; Wayzata High School

Sources Tin - cgi.ebay.com/TIN-Metal-Element-Shot **...Tin - cgi.ebay.com/TIN-Metal-Element-Shot **...cgi.ebay.com/TIN-Metal-Element-Shot **... Tin foil - foil - Tin – bronze - – bronze - Tin – pewter pilgrim.ceredigion.gov.uk/index.cfm?articleid...Tin – pewter pilgrim.ceredigion.gov.uk/index.cfm?articleid...pilgrim.ceredigion.gov.uk/index.cfm?articleid... Lithium battery - battery - Lithium2 - library.thinkquest.org/C /Lithium.shtmlLithium2 - library.thinkquest.org/C /Lithium.shtmllibrary.thinkquest.org/C /Lithium.shtml Lithium pills - pills - Beryllium ball - ball - Beryllium disc - disc - Beryl - commons.wikimedia.org/wiki/Image:Beryll.jpgBeryl - commons.wikimedia.org/wiki/Image:Beryll.jpgcommons.wikimedia.org/wiki/Image:Beryll.jpg Helium balloon - balloon - Boron Carbide - qdmmm.en.alibaba.com/.../Sell_Boron_Carbide.htmlBoron Carbide - qdmmm.en.alibaba.com/.../Sell_Boron_Carbide.htmlqdmmm.en.alibaba.com/.../Sell_Boron_Carbide.html Borosilicate glass - glass - Borax - chemistry.about.com/.../Borax.htmBorax - chemistry.about.com/.../Borax.htmchemistry.about.com/.../Borax.htm Selenium Oxygen(both) Sodium-potassium pump - pump - Jodi Grack; Wayzata High School