Which element is the lightest and most common in the universe?: Hydrogen
Which gas makes up about 78% of Earth's air?: Nitrogen
Which gas do we breathe in to live, about 21% of the air?: Oxygen
Which element is the basis of all known life?: Carbon
Which two forms of pure carbon are very different: one soft and one super hard?: Graphite and diamond
Which noble gas is used to fill party balloons that float?: Helium
Which element is the only metal that is liquid at room temperature?: Mercury
Which element has the symbol Au and is a shiny yellow metal?: Gold
Which metal is used in most electrical wires?: Copper
Which metal is the main ingredient of steel?: Iron
Which element do bones and teeth need, found in milk?: Calcium
Which element is in table salt along with chlorine?: Sodium
Which gas is used to disinfect swimming pools?: Chlorine
Which noble gas glows red-orange in signs?: Neon
Which element is the most common metal in Earth's crust?: Aluminum
Which element is the second most common in Earth's crust, found in sand and glass?: Silicon
Which element is used in computer chips?: Silicon
Which metal is a good conductor and is used for jewelry and mirrors, symbol Ag?: Silver
Which element makes matches burn and is found in DNA?: Phosphorus
Which yellow solid smells like rotten eggs in some compounds?: Sulfur
Which element helps prevent tooth decay in toothpaste?: Fluorine, as fluoride
Which element is needed in the thyroid gland and is added to table salt?: Iodine
Which element is at the center of the Sun's fuel and fuses into helium?: Hydrogen
Which element is the second most abundant in the universe?: Helium
Which element is the hardest natural material (a form of carbon)?: Diamond, which is carbon
Which metal is used to coat steel to stop rust, as in galvanizing?: Zinc
Which heavy, soft metal is used in car batteries?: Lead
Which element has the highest atomic number that occurs naturally in large amounts in Earth's crust?: Uranium (92)
Which element is named after the Sun's Greek name Helios?: Helium
Which metal is attracted to magnets and is the core of Earth?: Iron
Which light metal is used for airplane parts and soda cans?: Aluminum
Which bright white metal burns with a dazzling flame and is in fireworks and flares?: Magnesium
Which metal is soft enough to cut with a knife and reacts violently with water?: Sodium
Which element is the N in fertilizer labels like N-P-K?: Nitrogen
Which metal is mixed with copper to make bronze?: Tin
Which element is a purple-black solid that turns into purple vapor when heated?: Iodine
Which noble gas is used in light bulbs to protect the filament?: Argon
Which element is named for Poland, the homeland of Marie Curie?: Polonium
Which element was named after Marie and Pierre Curie?: Curium
Which element is named after Albert Einstein?: Einsteinium
Which element is named after Dmitri Mendeleev?: Mendelevium
Which element is named after Niels Bohr?: Bohrium
Which element is named after planet Neptune?: Neptunium
Which element is named after planet Uranus?: Uranium
Which element is named after the Greek word for "green"?: Chlorine (from chloros)
Which element is named after the state of California?: Californium
Which element is named after Selene, the Greek moon goddess?: Selenium
Which element is used to make the strongest magnets, the neodymium kind?: Neodymium
Which element is the most electronegative?: Fluorine
Which element is a green poisonous gas used long ago and in swimming pools?: Chlorine
Which metal is the best conductor of electricity?: Silver
Which element makes up the largest part of the human body by mass?: Oxygen
What is the most abundant element in the human body by number of atoms?: Hydrogen
Which element is liquid at room temperature besides mercury, a reddish-brown liquid?: Bromine
Which element has the symbol Pt and is very valuable and does not tarnish?: Platinum
Which metal has the highest melting point of all metals?: Tungsten
Which element is used in the filaments of old light bulbs?: Tungsten
Which element is a radioactive gas found in some basements?: Radon
Which element is used in nuclear power plants as fuel?: Uranium
Which element is the first in the noble gas family?: Helium
Which element is a shiny gray solid that is a metalloid and used in solar panels?: Silicon
Which element makes the flame of some fireworks red?: Strontium
Which element makes the flame of some fireworks green?: Barium
Which element makes the flame of some fireworks blue?: Copper
Which element is in chlorophyll at the center of the molecule?: Magnesium
Which element is at the center of hemoglobin and helps carry oxygen in blood?: Iron

Free flashcards from Peabody at peabody.kids/flashcards/chem-element-facts