Chemistry
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| the majority, or about 78% of the air we breath is made up of this chemical | Nitrogen
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| This metal or chemical is also the name for a planet named after the Roman messanger God | Mercury
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| What does the chemical element letter O stand for? | oxygen
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| What is the name of the gas that we breath in from air imporatant for breathing and needed to be able to sustain life | oxygen
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| What does the chemical element letter N stand for? | nitrogen
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| What does the chemical element letter C stand for? | carbon
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| What does the chemical element letter H stand for? | hydrogen
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| What is the chemical abbreviation for oxygen? | O (capital O)
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| What is the chemical abbreviation for gold? | Au (capital A lowercase u)
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| What is the chemical abbreviation for silver? | Ag (capital A lowercase g)
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| What is the chemical abbreviation for nitrogen? | N (capital N)
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| What is the chemical abbreviation for helium? | He (capital H lowercase e)
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| What is the chemical abbreviation for hydrogen? | H (capital H)
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| What is the chemical abbreviation for carbon? | C (capital C)
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| Name the chemical formula or abbreviation for common table salt, sodium chloride: | NaCl (capital N, lowercase a, capital C and lowercase l)
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| What is the chemical formula for water? | H2O
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| What is the chemical formula for carbon dioxide? | CO2
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| What is the chemical formula for the dangerous gas carbon monoxide? | CO
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| What is the chemical formula for ammonia? | NH3
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| What is the common name for Acetic acid, a common household chemical? | vinegar
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| In chemistry, what is the proper name for a positive ion? | cation
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| In chemistry, what is the proper name for a negative ion? | anion
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| The Earth's axis is tilted about __________ degress from its orbital plane? | 23.5 degrees
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