Aneutral atom as the same number of protons and electrons.

Which is the best predictor of the radioactive nature of an isotope? o the proton-to-electron ratio the neutron-to-proton ratio o the neutron-to-electron ratio the electron-to-proton ratio

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?

Frequency of electromagnetic waves that a radio station is assigned is called