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Chemistry
Question | Answer |
---|---|
the majority, or about 78% of the air we breath is made up of this chemical | Nitrogen |
This metal or chemical is also the name for a planet named after the Roman messanger God | Mercury |
What does the chemical element letter O stand for? | oxygen |
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 |
What does the chemical element letter N stand for? | nitrogen |
What does the chemical element letter C stand for? | carbon |
What does the chemical element letter H stand for? | hydrogen |
What is the chemical abbreviation for oxygen? | O (capital O) |
What is the chemical abbreviation for gold? | Au (capital A lowercase u) |
What is the chemical abbreviation for silver? | Ag (capital A lowercase g) |
What is the chemical abbreviation for nitrogen? | N (capital N) |
What is the chemical abbreviation for helium? | He (capital H lowercase e) |
What is the chemical abbreviation for hydrogen? | H (capital H) |
What is the chemical abbreviation for carbon? | C (capital C) |
Name the chemical formula or abbreviation for common table salt, sodium chloride: | NaCl (capital N, lowercase a, capital C and lowercase l) |
What is the chemical formula for water? | H2O |
What is the chemical formula for carbon dioxide? | CO2 |
What is the chemical formula for the dangerous gas carbon monoxide? | CO |
What is the chemical formula for ammonia? | NH3 |
What is the common name for Acetic acid, a common household chemical? | vinegar |
In chemistry, what is the proper name for a positive ion? | cation |
In chemistry, what is the proper name for a negative ion? | anion |
The Earth's axis is tilted about __________ degress from its orbital plane? | 23.5 degrees |