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An atom of calcium loses two electrons. what is the charge on an ion of calcium? question 6 options: a.0 b.–2 c.+2 d.+3
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Water is important for the of cells. a: size, shape, and temperature b: temperature, color, and odor c: color, odor, and size d: shape, temperature, and color
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Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol
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What is the main purpose of patent attorneys? defend the company against legal claims manage financial investments invent new products protect rights to new products and processes
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An atom of calcium loses two electrons. what is the charge on an ion of calcium? question 6 options...
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