Technetium-99m (99mTc) undergoes gamma decay to form 99Tc (a diagnostic radioactive tracer used to locate tumors; the “m” indicates a metastable excited nuclear state).

If i make a solution by adding 83grams of sodium hydroxide to 750ml i’d water what is the molarity of sodium hydroxide

How air particles exert a pressure on the inside of the balloon

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?