We breathe out 2 atoms of oxygen with 1 atom of this element.
What is Carbon?
100
Eating too many shrimp could lead to this type of poisoning.
What is Mercury?
100
This metal can quickly develop tarnish, stains, or scratches bu cleans easy with baking soda, aluminum foil, and hot water.
What is Silver?
100
It's the common name for sodium chloride?
What is salt?
100
This element is used in lighter than air balloons and while heavier than hydrogen, is far safer since helium does not burn. Speaking after breathing an atmosphere rich in it results in a squeaky voice.
What is Helium?
200
This non-metallic is found in meteorites, volcanoes, hot springs, and as galena, gypsum, Epsom salts, and barite. It is recovered commercially from "salt domes" along the Gulf Coast of the USA.
What is sulfur?
200
This type of poisoning can actually come from eating paint chips.
What is Lead poisoning?
200
If your Lincoln Memorial penny has a date before 1982, it is made of 95% of this metal.
What is Copper?
200
Laughing gas is made of Oxygen and this element whose symbol is N.
What is Nitrogen?
200
This colorless gas shares the same name with Superman's home.
What is Krypton?
300
This non-metallic is the most abundant element in the universe and makes up about about 90% of the universe by weight but is the lightest element of them all.
What is Hydrogen?
300
This element is of great interest because of its application to nuclear power and nuclear weapons.
What is Uranium?
300
The most common compounds of this metal are auric chloride (AuCl3) and chlorauric acid (HAuCl4).
What is Gold?
300
C12H22O11 or sucrose is commonly known as this sweet substance.
What is sugar?
300
In liquid form, this noble gas has over 40 times more refrigerating capacity than liquid helium, and more than 3 times that of liquid hydrogen. it was also a hot selling car made by Dodge at one time.
What is Neon?
400
This element, whose atomic number is 53, is the heaviest element to be essential in living organisms.
What is Iodine?
400
If you swallow this element while brushing, it's advised that you call a Poison Control Center right away.
What is Flourine/Flouride?
400
This chemical element uses the chemical symbol Pt and has an atomic number of 78.
What is Platinum?
400
The formula for graphite. One letter will do.
What is C (carbon)?
400
This chemical element with symbol Rn and atomic number 86 is the heaviest known gas.
What is Radon?
500
A part of common salt and other compounds, this element is abundant in nature and necessary to most forms of life, including humans. In its elemental form Cl2 under standard conditions, it is a powerful oxidant and is used in bleaching and disinfectants.
What is Chlorine?
500
Do not cook with this type of foil...too much exposure to it can cause aching muscles, speech problems, anemia, digestive problems, lowered liver function, colic and impaired kidney function.
What is Aluminum?
500
This metal was discovered in Cornwall, Great Britain, by William Gregor in 1791 and named by Martin Heinrich Klaproth for the Titans of Greek mythology.
What is Titanium?
500
We use this, also known as NaHCO3 in everything from baking to cleaning silver.
What is baking soda?
500
This trouble-prone 13-year-old girl who, in the year 2049 AD, lives on a space station with the rest of her family shares her name with an element whose symbol is Xe and atomic number 54.