Copper has 29 protons, 34 neutrons, and 29 electrons. what is the atomic number of copper?

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

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!