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Chemistry, 15.10.2019 19:30 laura2school
Which of the following ions would represent the ion of an element from group 2 on the periodic table? a2+ y3+ x2- z+
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What can be added to the examples section of each circle? endothermic: ice melting into water, and a heat pack becoming warm exothermic: a glow stick glowing, and fireworks exploding endothermic: ice melting into water, and an instant ice pack turning cold exothermic: fireworks exploding, and gasoline burning endothermic: a glow stick glowing, and a heat pack becoming warm exothermic: an instant ice pack turning cold, and ice melting into water endothermic: gasoline burning, and an instant ice pack turning cold exothermic: ice melting into water, and an instant ice pack turning cold
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Which of the following ions would represent the ion of an element from group 2 on the periodic table...
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