Chemistry, 24.07.2021 06:10 vlactawhalm29
Nhóm nào gồm tất cả các kim loại tan trong axit sunfuric đặc nóng nhưng không tan trong axit sunfuric loãng là
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Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.
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Chemistry, 22.06.2019 19:30, Karinaccccc
How might this scientific phenomena be explained? a paper clip floats on water.
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Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.
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Chemistry, 23.06.2019 01:00, tjeffers90028
Iron (fe) reacts with copper sulfate (cuso4) to form iron (ii) sulfate. in this reaction, cu2+ gains electrons to form cu. which statement is true about this reaction? fe(s) + cuso4(aq) → feso4(aq) + cu(s)
Answers: 3
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