How to balance chemical equations

Which is the noble gas notation for chlorine? [Ne] 4s^2 4p^5 [Ne] 3s^2 3p^5 [Ne] 3s^2 3p^3 [Ne] 3p^2 3p^5

Identify 10 different Element's that Exhibit Isotopy.?

Is flat soda mixture or pure substance?

The reaction that produces cellular energy in plants is called?

What makes the element named iron (fe) different from the element named nickel (ni) ?

How much does copernicium cost?

How is it that peaks representing different hydrogens in an organic molecule appear at different locations in an NMR spectrum?

An 8.5 g ice cube is placed into 255g of water. Calculate the temperature change of water when the ice melts

If you knew the number of valence electrons in a nonmetal atom, how would you determine the valence of the element?

Which of the following solutions is a good buffer system? Which of the following solutions is a good buffer system? a solution that is 0.10 M HF and 0.10 M LiC2H3O2 a solution that is 0.10 M HC2H3O2 and 0.10 M LiC2H3O2 a solution that is 0.