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why did louis de broglie and the "old school" scientists think radio waves could be used to explain the
atom?

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.