How many Neutrons are in the Nucleus of an atom with an atomic number of 25? (Use Periodic Table for mass.)

Based on the law of conservation of energy, which statement is false? answer- energy is lost when machines dont work right

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?

What was bohr’s contribution to the planetary model