How many moles of n are in 0.163 g of n2o?

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

What three things determine the shape and size of a puddle when water is poured out onto a surface

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.