Adapted from: teachingengineering.com
Mystery Element
Mystery Element
First element in the periodic table
One of two elements that make up water
Gaseous at room temperature
Contains 1 proton
• 1 valence electron
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Mystery Element
• Often used to inflate balloons
• Contains two protons
• Temporarily changes one’s voice when a small
amount is inhaled
• Has 2 valence electrons
• A noble gas
Mystery Element
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Lightest metal element
Chemically very similar to sodium
Has 1 valence electron
Used in batteries
Contains 3 protons
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Alkaline earth metal
Contains four protons
Used as a hardening agent in metal alloy
Has 2 valence electrons
A poisonous halogen
Contains nine protons
Reacts explosively with hydrogen
Has seven valence electrons
Used in production of Teflon
Mystery Element
Mystery Element
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Major component of air
Wate product of photosynthesis
Contains eight protons
Has six valence electrons
Non-metal
Mystery Element
Mystery Element
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Has five valence electrons
79% of our atomosphere is made of this
Liquid used in cryogenics to make ice cream
Contains seven protons
Integral part of living things
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Has eight valence electrons
Part of the noble gas family
Second lightest noble gas
Used to make attention-getting signs
Contains 10 protons
Adapted from: teachingengineering.com
Mystery Element
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Solid at room temperature
Brown or black non-metal
Contains five protons
Has 3 valence electrons
Often used in manufacturing
Mystery Element
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Mystery Element
Mystery Element
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Contains six protons
Diamond and graphite are composed of this
Important to life and computers
Used in radioactive dating
Has four valence electrons
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Mystery Element
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Very abundant on Earth
Alkaline earth metal
Has 2 valence electrons
Contains 12 protons
An important human nutrient found in
nuts, seeds, and whole grains
Contains thirteen protons
Strong and lightweight metal
Often used in manufacturing
Was once considered a precious metal due to
the rarity of the pure element
• Has 3 valence electrons
Contains 16 protons
Non-metal
Found in several amino acids; essential for life
Associated with a rotten egg smell
Has six valence electrons
Mystery Element
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Used to disinfect water and swimming pools
Has 7 valence electrons
One of two elements found in table salt
A poisonous Halogen
Contains 17 protons
Mystery Element
Mystery Element
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Alkali metal
One of two elements present in salt
Has 1 valence electron
Necessary for life to exist
Contains 11 prtons
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Contains 18 protons
Has eight valence electrons
Commonly used in lighting
Most common noble gas on Earth
No confirmed chemical compounds
contain this element
Adapted from: teachingengineering.com
Mystery Element
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Important to life and computers
Contains 14 protons
Second most abundant element in Earth’s crust
Quartz and sand contain this element
Has 4 valence electrons
Mystery Element
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Has five valence electrons
Contains 15 protons
Found in all living cells
Burns spontaneously in air
Integral to living things
Mystery Element
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Shares many characteristics with sodium
Has 1 valence electron
Alkali metal that reacts violently with water
Found in high quantities in bananas
Has 19 protons