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Chemistry, 21.06.2019 17:00
Why do sodium and neon have vastly different chemical and physical properties despite having similar atomic masses?
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Chemistry, 21.06.2019 20:10
Which statement is true about the part of the electromagnetic spectrum that human eyes can detect? it contains only the colors of the rainbow and television waves. o it is divided into seven ranges of wavelengths. it contains ultraviolet, visible, and infrared light. it is divided into nine ranges of wavelengths.
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Chemistry, 22.06.2019 04:00
Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.
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How many elements are found in nature...
Mathematics, 24.06.2019 14:20
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