Which type of radiation does not produce a particle?

a. acid-base
b. alpha
c. gamma
d. beta

Particles vibrate in a rigid structure and do not move relative to their neighbors.

Select the correct lewis structure for fluorine which is group 7a element?

The velocity of any object depends upon a) the location of the object. b) the location of the observer. c) which measurement tools are used. d) the relative motion of the observer.