Exam 2: Atoms, Molecules, and Ions

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The mineral hausmannite is a compound of manganese-55 and oxygen-16. If 72% of the mass of hausmannite is due to manganese, what is the empirical formula of hausmannite?

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The Stock system name for Mn2O7 is

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What is the law of conservation of mass?

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Give the formula of copper(II)bromide.

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The chemical name for ClO3- is chlorate ion. Therefore, the name of HClO3 is

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Give the formula for cobalt(II)chlorate dihydrate

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The mineral pyrolusite is a compound of manganese-55 and oxygen-16. If 63% of the mass of pyrolusite is due to manganese, what is the empirical formula of pyrolusite?

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The correct name for KHCO3 is

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A magnesium ion, Mg2+, has

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The chemical name for ClO2- is chlorite ion. Therefore, the name of HClO2 is

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When J.J.Thomson discovered the electron, what physical property of the electron did he measure?

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Which pair of elements would be most likely to form an ionic compound?

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Given that the ion ClO3- is named chlorate, what is the ion ClO4- named?

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Name the following binary compound: AgCl.

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Name the following ternary compound: CuCO3.

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Which of the following scientists developed the nuclear model of the atom?

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The Stock system name for Co2(SO3)3 is:

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How many protons are there in one atom of xenon?

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An atom of the isotope chlorine-37 consists of how many protons, neutrons, and electrons? (p = proton, n = neutron, e = electron)

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Give the formula of carbonic acid.

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