Which element behaves most like magnesium ? a. sr b. si c. s d. sn

What happens when chlorine reacts with bromine? a. electrons move from the chlorine atoms to the bromine atoms. b. electrons move from the bromine atoms to the chlorine atoms. c. electrons are shared between the chlorine atoms and the bromine atoms. d. electrons become delocalized among the atoms.

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?

Which basic property determines a colored light's placement on the spectrum of visible light? a. speed b. frequency c. amplitude d. velocity