What is the net iconic charge of an oxygen ion?

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

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!