STEM curriculum for K-12 - TeachEngineering
Mystery Elements Cards
Instructions: Print, cut apart on lines and shuffle. Use the numbers in the lower right corner of each card to find the “mystery” element name on the answer sheet.
|Mystery Element |Mystery Element |
|First element in the periodic table |Diatomic gas |
|One of two elements that make up water |79% of our atmosphere is this in gaseous form |
|Gaseous at room temperature |Liquid used in cryogenics and to make ice cream |
|Extremely flammable |One of two elements in ammonia |
|Oxidation state (charge) of +1 |Integral part of amino acids |
|Mystery Element |Mystery Element |
|Often used to inflate balloons |Major component of air |
|Gaseous at room temperature |Waste product of photosynthesis |
|Temporarily changes one’s voice when a small amount is inhaled |Human life would not exist without it |
|Second lightest element |Oxidation state (charge) of -2 |
|A noble gas |One of its states (isotopes) plays a major role |
| |in the protective layer around the Earth |
|Mystery Element |Mystery Element |
|Lightest metal element |Halogen |
|Chemically very similar to sodium |Poisonous and corrosive gas |
|Used in batteries |Reacts explosively with hydrogen |
|Reacts easily with water |Most reactive and electronegative of all elements |
|Oxidation state (charge) of +1 |Used in production of Teflon |
|Mystery Element |Mystery Element |
|Alkaline earth metal |Colorless inert gas |
|Contains four protons |Part of the noble gas family |
|Used as a hardening agent in metal alloys |Second lightest noble gas |
|Emeralds and aquamarines contain this element |Used to make attention-getting signs |
|Toxic |Contains 10 protons |
|Mystery Element |Mystery Element |
|Solid at room temperature |Alkali metal |
|Brown or black non-metal |One of two elements present in salt |
|Acts as a Lewis-acid |Found in baking soda |
|Oxidation state (charge) of +3 (very electrophilic) |Necessary for life to exist |
|Used to make insulating fiberglass |Oxidation state (charge) of +1 |
|Mystery Element |Mystery Element |
|Contains six protons |Contains 16 protons |
|Diamond and graphite are composed of this |Yellow non-metal |
|Present in all organic compounds; the basis of life |Found in several amino acids; essential for life |
|Used in radioactive dating |Associated with a rotten egg smell |
|Makes steel when combined with iron |Part of a relatively strong acid used |
| |as an industrial raw material |
|Mystery Element |Mystery Element |
|Very abundant on Earth |Used to disinfect water and swimming pools |
|Alkaline earth metal |Diatomic gas |
|Used to make mild of magnesia and Epson salts |One of two elements found in common salt |
|Used to make metal alloys |Extremely poisonous |
|An important human nutrient found in nuts, |Halogen with a -1 oxidation state (charge) |
|seeds and whole grains | |
|Mystery Element |Mystery Element |
|Very resistant to oxidation |Contains 18 protons |
|Strong and lightweight metal |Colorless and odorless |
|Used to make automobiles and beverage cans |Commonly used in lighting |
|Was once considered a precious metal due to |Most common noble gas on Earth |
|the rarity of the pure element |No confirmed chemical compounds contain |
|Oxidation state (charge) of +3 |this element |
|Mystery Element |Mystery Element |
|Similar properties to carbon, but less reactive |Shares many characteristics with sodium |
|Contains 14 protons |Second lightest metal |
|Second most abundant element in Earth’s crust |Alkali metal that reacts violently with water |
|Quartz and sand contain this element |Found in high quantities in bananas |
|Used in semiconductor industry and a |A shortage of this element in the body leads |
|major component of glass and cement |to a fatal condition known as hypokalemia |
|Mystery Element |Mystery Element |
|Very reactive, solid, non-metal |Soft, gray alkaline earth metal |
|Oxidation state (charge) of -3 or +5 |Essential for life |
|Found in all living cells |Human nutrient found in dairy products |
|Burns spontaneously in air |Fifth most abundant element in the Earth’s crust |
|Used to produce fertilizer and by cells |Oxidation state (charge) of +2 |
|to transport energy | |
|Mystery Element |Mystery Element |
|Transition metal |Comes from Latin word “ferrum” |
|Contains 21 protons |Essential to all organisms; used in the |
|Used to make high-intensity lights |heme complex in humans |
|Used to form metal alloys with aluminum |Most abundant element that makes up the Earth |
|Found in rare minerals in Scandinavia |Most widely-used metal |
| |Extracted from hematite and magnetite |
|Mystery Element |Mystery Element |
|Similar properties to zirconium |Contains 27 protons |
|Used to make very strong, light-weight metal alloys |Corrosive-resistant transition metal |
|Used to make medical implants, aircraft and boats |Oxidation state (charge) of +2 or +3 |
|As strong as steel, but half the weight |Used in radiotherapy |
|Corrosion resistant |Comes from the German word “kobold,” |
| |which means evil spirit |
|Mystery Element |Mystery Element |
|Transition metal containing 23 protons |Used in coin making; and brass and iron plating |
|Used to make metal alloys, particularly steel |A US monetary coin shares its name with this |
|Rare and ductile |element that contains it |
|Very toxic |Found in rechargeable batteries |
|Only found bound to other elements |Belongs to the iron group |
| |The Earth’s core is supposedly composed |
| |of this element and iron |
|Mystery Element |Mystery Element |
|Reacts immediately with oxygen, forming a protective layer |Used in the US one cent piece |
|Steel gray color |Reddish-gold color |
|Helps with sugar metabolism in humans |Known as “chalkos” by the Greeks, “aes Cyprium” |
|Used in making metal alloys as well as in |by the Romans, and simplified to “cuprum” |
|dyes and paints |Used by civilizations more than 10,000 years ago |
| |Used to make brass/bronze metal alloys |
|Mystery Element |Mystery Element |
|Essential to steel production |Contains 30 protons |
|Contained in potassium permanganate, |Fourth most common metal used on Earth |
|which is used in medicine |Necessary for life; found in animal proteins |
|Nutrient in all of life |Human deficiency leads to memory and sensory |
|Found primarily in pyrolusite |loss as well as stunted brain development |
|Part of the iron group of elements |Oxidation state (charge) of +2 |
................
................
In order to avoid copyright disputes, this page is only a partial summary.
To fulfill the demand for quickly locating and searching documents.
It is intelligent file search solution for home and business.