Chromium has the atomic number 24. how many electrons does a chromium atom need to receive from other atoms to satisfy the octet rule?

What is the relation between concentration of reactants and the rate of chemical reaction?

Astring vibrates with a frequency of 10 hz. why can't a person hear the sound waves produced by the vibrating string, no matter how large the amplitude of the waves? out! this is homework and due tomorrow! you so much!

The molar mass of cu is 63.55 g/mol. the number of grams of cu produced in this reaction is