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An atom of calcium loses two electrons. what is the charge on an ion of calcium? a. +3b. 0c. -2 d. +2
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Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt
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Chemistry, 22.06.2019 15:00, kandi2565
Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?
Answers: 2
An atom of calcium loses two electrons. what is the charge on an ion of calcium? a. +3b. 0c. -2 d....
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