cub mix lesson02 activity2 mysteryelementscards

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					                                     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           Human life would not exist without it
    amount is inhaled
                                                           Oxidation state (charge) of -2
   Second lightest element
                                                           One of its states (isotopes) plays a major role
   A noble gas                                             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

    Mixtures & Solutions: Lesson 2, Engineering and the Periodic Table Activity                               1
    — Mystery Elements Cards
       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

    Mixtures & Solutions: Lesson 2, Engineering and the Periodic Table Activity                             2
    — Mystery Elements Cards
       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
                                                           heme complex in humans
   Used to make high-intensity lights
                                                          Most abundant element that makes up the Earth
   Used to form metal alloys with aluminum
                                                          Most widely-used metal
   Found in rare minerals in Scandinavia
                                                          Extracted from hematite and magnetite

    Mixtures & Solutions: Lesson 2, Engineering and the Periodic Table Activity                            3
    — Mystery Elements Cards
       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
                                                              element that contains it
   Rare and ductile
                                                             Found in rechargeable batteries
   Very toxic
                                                             Belongs to the iron group
   Only found bound to other elements
                                                             The Earth’s core is supposedly composed
                                                              of this element and iron

       Mystery Element                                           Mystery Element
   Reacts immediately with oxygen, forming a                Used in the US one cent piece
    protective layer
                                                             Reddish-gold color
   Steel gray color
                                                             Known as “chalkos” by the Greeks, “aes Cyprium”
   Helps with sugar metabolism in humans                     by the Romans, and simplified to “cuprum”
   Used in making metal alloys as well as in                Used by civilizations more than 10,000 years ago
    dyes and paints
                                                             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

    Mixtures & Solutions: Lesson 2, Engineering and the Periodic Table Activity                              4
    — Mystery Elements Cards

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