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Is crumbling sheet of paper physical or chemical change and why! Pls help fast :((
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In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false
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Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by
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Which statement best describes the he properties of iconic compounds ?
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How many grams of ammonia would be produced by the decomposition of 16.93 mlof hydrazine? (the density of hydrazine is 1.021g/ml)
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Is crumbling sheet of paper physical or chemical change and why! Pls help fast :((...
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