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CHEMISTRY
Instructions:
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What is the first element on the periodic table?
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What is the main gas found in the air we breathe?
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What is the chemical symbol for gold?
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What is H20 more commonly known as?
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Atoms of the same chemical element that have different atomic mass are known as?
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What orbits the nucleus of an atom?
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True or false? An electron carries a positive charge.
CHEMISTRY
(Answer Key)
Instructions:
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What is the first element on the periodic table?
Hydrogen
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What is the main gas found in the air we breathe?
Nitrogen (around 78%)
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What is the chemical symbol for gold?
Au
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What is H20 more commonly known as?
Water
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Atoms of the same chemical element that have different atomic mass are known as?
Isotopes
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What orbits the nucleus of an atom?
Electrons
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True or false? An electron carries a positive charge.
False