Which is the main type of element found in the upper right part of the periodic table?
O A. Metalloids
O B. Nonmetals
O C. Representative metals
O D. Metals

What is the mass of sodium in 3 moles of sodium chloride

If one fission reaction of a uranium-235 atom produced two neutrons, how many neutrons would be released if the chain reaction occurred three more times?

How many lone pairs of electrons are on the central atom of no3- and what is the molecular shape? one, trigonal planar zero, trigonal pyramidal zero, trigonal planar one, tetrahedral one, trigonal pyramidal