Chemistry

Chemistry, 27.08.2019 07:30, officialrogerfp3gf2s

How many aluminum atoms are in 2.20 g of aluminum?

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Physics, 23.07.2019 13:00, lilpetals

Jenny wanted to make 3 molecules of a substance made with aluminum and oxygen. how many aluminum and oxygen atoms will she need? a) 1 aluminum; 1 oxygen b) 2 aluminum; 3 oxygen c) 3 aluminum; 6 oxygen d) 6 aluminum; 9 oxygen this my 3rd question of the sadly.

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Chemistry, 25.09.2019 03:30, live4dramaoy0yf9

100 points! formation of an ion aluminum is one of the most common elements in earth's crust, yet it is never found as a pure element in nature. that is, aluminum atoms are always combined with atoms of other elements, such as oxygen. an aluminum oxide compound you will recognize by its name is the gemstone called "ruby". its chemical formula is al2o3 if every oxygen ion (combined with an aluminum ion) has a charge of -2, what must the charge of each aluminum ion be? how can you tell this? also, what has to happen to an uncharged aluminum atom so that it will bond with oxygen? disclaimer: if the question is not answered fully or if it makes no sense it will be reported

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Chemistry, 12.10.2019 20:00, shaheedbrown06

100 points! formation of an ion aluminum is one of the most common elements in earth's crust, yet it is never found as a pure element in nature. that is, aluminum atoms are always combined with atoms of other elements, such as oxygen. an aluminum oxide compound you will recognize by its name is the gemstone called "ruby". its chemical formula is al2o3 if every oxygen ion (combined with an aluminum ion) has a charge of -2, what must the charge of each aluminum ion be? how can you tell this? also, what has to happen to an uncharged aluminum atom so that it will bond with oxygen? disclaimer: if the question is not answered fully or if it makes no sense it will be reported

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Biology, 13.10.2019 19:10, Ron1213

Which is a physical property of aluminum? a) aluminum rusts when it is exposed to moisture and air b) aluminum is a good conductor of heat c) aluminum reacts with oxygen to form aluminum oxide d) aluminum reacts with hydrochloric acid to give off aluminum chloride and hydrogen gas

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