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How are isotopes of the same chemical element alike? how are they different?
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Will mark as brainliest ! how many grams of iron metal do you expect to be produced when 245 grams of an 80.5 percent by mass iron (ii) nitrate solution react with excess aluminum metal? show all work needed to solve this problem!
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On the periodic table, which group of elements tend to form positive ions?
Group 16 and Group 17
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