Related Questions
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4
What is the chemical formula for ozone?
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What is the chemical formula for carbon dioxide?
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Which of the following is a noble gas used in lighting?
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Which of the following is a greenhouse gas?
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What is the chemical symbol for gold?
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Which element is essential for human bone health?
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What is the chemical formula for sodium hydroxide?
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What is the chemical formula for ammonia?
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Which gas is responsible for the rotten egg smell?
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Which of the following is a metalloid?
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The pH scale measures the acidity or alkalinity of a substance. A pH value of 7 is considered:
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4
What is the chemical symbol for potassium?
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How many protons are in the nucleus of an atom with an atomic number of 20?
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Which of the following is a lanthanide element?
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What is the chemical formula for water?
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What is the formula for the hydroxide ion?
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Which gas is produced during photosynthesis?
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Which gas is produced by burning fossil fuels and contributes to air pollution?
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Which element is essential for all organic compounds?
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What is the chemical formula for nitric acid?
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What is the chemical formula for sodium chloride?
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Which element is essential for the process of respiration?
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Which subatomic particle has a negative charge?
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The atomic number of an element is determined by the number of:
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What is the chemical formula for table salt?
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What is the chemical formula for hydrogen gas?
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What is the chemical formula for acetic acid, found in vinegar?
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How many electrons are in the outermost energy level (valence shell) of a neutral oxygen atom?
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Which of the following is a noble gas?
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What is the chemical formula for glucose?