If barium (metal) has two valence electrons while chlorine (nonmetal) has seven, how many barium atoms are needed to form an ionic bond with chlorine?

How are real gases different from ideal gases?

How does the mass of any object affect the amount of kinetic energy the object will have as it rolls down an incline plane

This rabbit lives where it gets very cold in the winter. It does this easily because it is an endotherm. Being an endotherm or warm-blooded has its advantages and disadvantages.

Biologists study the structural adaptations of organisms, which are

Many homeowners treat their lawns with CaCO3 (s) to reduce the acidity of the soil. Write a net ionic equation for the reaction of CaCO3 (s) With a strong acid.

How many moles of NH3 can be produced from 24.0 mol of H2 and excess N2

An ecosystem contains all the biotic and abiotic factors in an area. answers true or false

For the reaction n2 (g) + 2h2 (g) â n2h4 (l), if the percent yield for this reaction is 77.5%, what is the actual mass of hydrazine (n2h4) produced when 27.70 g of nitrogen reacts with 4.45 g of hydrogen?

A Which landmasses show evidence of ancient glaciers?

What is the molarity of a solution containing 5.0 moles of kcl in 2.0 l of solution?