At statement matter can be neither created nor destroyed by chemical means , but it can be changed form to another is the law of

The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!

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!

How many grams of phosphorus are contained in 5.09 moles of phosphorus?