Acar motor oil was measured and described using kelvin. which characteristic of matter was measured

Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

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?