PLEASE HELP!! What kind of metal is Co?
Alkali Metal
Transition Metal
Alkaline Earth Metal

Seawater contains approximately 3.5%nacl by mass and has a density of 1.02 g/ml. what volume of seawater contains 7.5 g of sodium?

What are the primary responsibilities of a chemical engineer involved in "r& d"? develop large scale manufacturing operations discover new products and processes training of new chemists determine products needed by consumers

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough