Related Questions
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4
Which subatomic particle has a negative charge?
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4
Which gas is used in the process of photosynthesis?
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4
What is the chemical formula for carbon dioxide?
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4
What is the chemical formula for sulfur hexafluoride?
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4
Which element is used in fluorescent lights?
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4
How many hydrogen atoms are in one molecule of methane (CH4)?
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4
What is the chemical formula for water?
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Which of the following is a greenhouse gas produced by human activities?
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What is the chemical formula for glucose?
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4
What is the chemical formula for aspirin?
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4
Which of the following is a noble gas used in lighting?
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4
Which gas is responsible for the blue color of the Earth's sky?
D. Rayleigh scattering of sunlight
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4
What is the chemical formula for hydrogen gas?
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What is the chemical symbol for potassium?
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What is the chemical formula for ammonia?
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What is the chemical formula for water vapor?
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The atomic number of an element is determined by the number of:
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Which gas is essential for photosynthesis in plants?
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4
Which of the following is a nonmetal?
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How many protons are in the nucleus of an atom with an atomic number of 20?
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4
What is the chemical formula for carbon monoxide?
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4
What is the chemical formula for sodium bicarbonate?
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What is the chemical formula for hydrogen peroxide?
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4
Which element is essential for the process of respiration?
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4
Which element is commonly used in batteries?
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4
Which of the following is a metalloid?
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Which element is the primary component of organic molecules?
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Which of the following is a halogen?
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4
What is the chemical formula for table salt?
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The process of a substance changing from a gas to a liquid is called: