The type of radioactive particle that can be stopped by a sheet of paper is the A. alpha particle
B. beta particle
C. gamma ray
D. uranium

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?

Calculate the concentration of all species in a 0.165 m solution of h2co3.

What is the volume of 2.5 moles of nitrogen gas (n2)at standard temperature and pressure (stp)?