Chemistry, 20.08.2019 00:30 rodriguezbrian050702
Which change occurs when a barium atom loses two electrons? (1) it becomes a negative ion and its radius decreases.(2) it becomes a negative ion and its radius increases.(3) it becomes a positive ion and its radius decreases.(4) it becomes a positive ion and its radius increases.
Answers: 2
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Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.
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Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?
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Chemistry, 22.06.2019 14:00
Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?
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Which change occurs when a barium atom loses two electrons? (1) it becomes a negative ion and its ra...
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