Chemistry
What is an atom that has more electrons than normal referred to as?
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What element is used as a filler gas in fluorescent and incandescent light bulbs?
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What process changes a rock's chemical composition to break it down?
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The noble gases that make up Group XVIII of the periodic table is also known as which of the following?
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What is the fourth most abundant element in the universe by mass?
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What symbol appears on the periodic table for Thorium which has the atomic number 90?
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What is the total energy of particles in matter called?
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What group of elements include lithium, sodium, potassium, rubidium, cesium, and francium?
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Which of these is a chemical form of communication?
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What word means "two or more types of matter are evenly distributed in a mixture"?
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Sodium on the periodic table is noted by which symbol?
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What extremely flammable gas was associated with the famous explosion of the Hindenburg airship?
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What is the most abundant halogen found in the Earth's crust?
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What metal is known for the chemical compounds it forms, such as emeralds and aquamarines?
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What symbol appears on the periodic table for the element with the atomic number 10?
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What compounds that are soluble in water are classed as bases?
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What symbol appears on the periodic table for the element with the atomic number 6?
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