a. solid b. liquid c. gas d. solid e. liquid f. solid g. liquid
Matter and substance are definitely related. All substances are matter but all matters are not substance. A matter can consist of numerous substances. Matter is generally a loose term used in respect to a substance. Any physical object can be casually called a matter. Matter and substance are sometimes used for the same context, but it is completely wrong. Numerous examples have already proved that a matter may or may not be a substance depending on its physical nature, but a substance is always a matter.
At room temperature: a. Gold is a solid, as in the gold jewelry that most people have. b. Gasoline is a liquid, as it is pumped in cars to use as fuel. c. Oxygen is a gas, as we breathe it in from the atmosphere. d. Neon is a gas, it is one of the noble gases in the periodic table. e. Olive oil is a liquid, as it is used in cooking. f. Sulfur is a solid, and it can be found naturally in mining. g. Mercury is a liquid which is often seen in thermometers.
At room temperature, gold, sulfur, and mercury are solid, while gasoline, olive oil, oxygen, and neon are liquid and gas, respectively. Gold and sulfur are stable solids, gasoline and olive oil are common liquids used in everyday life, and oxygen and neon are essential gases in the atmosphere. Mercury stands out as the only metal that is a liquid at room temperature.
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