Compare the mass and volume of each object. What is true of the mass and volume of all the floating objects?

Which best describes why nh4+ can form an ionic bond with cl-?

Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.

The wave shown on the electromagnetic spectrum disturb the medium it passes through a)different frequency. b)the same frequency .