Which of the following elements has the smallest atomic radius?
O a. chlorine
O b. sulfur
O c. selenium
O d. bromine

10. according to the law of conservation of mass, how does the mass of the products in a chemical reaction compare to the mass of the reactants?

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots