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Who discovered the plum pudding model of the atom?
by Answerbag Staff on January 8th, 2011
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Are electrons smaller than protons?
by Answerbag Staff on May 6th, 2010
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Who discovered the proton in England in 1919?
by Answerbag Staff on July 1st, 2010
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What are the different types of intermolecular forces? explain each .
by misty. on January 15th, 2011
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How many molecules are in 26.9 grams of aluminum hydroxide? demonstration? please be aware the answers are in scientific notation form.
by matdawg160 on April 2nd, 2011
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You're reading Can you tell whether a substance is an element or compound based on its physical appearance?
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then how can you determine whether which is which?
by liette20 on July 2nd, 2009
By chemically testing it!
by Lion Heart sleeps on July 2nd, 2009