Which element has the greatest electronegativity? fluorine chlorine bromine iodine

Why the bonds between nonmentals tend to be covalent

You need to prepare 100mL of a 0.125M CuSO4 stock solution. Explain how you would prepare?

What is the charge of NH3?

Calculate the [H3O+] of an aqueous solution that is 2.42 * 10-7 M in OH-.

What is the element with the nlx notation of 5d2?

Is the water density higher than the aluminum density

How many moles of molecular oxygen (o2) are consumed in the complete combustion of one mole of pentane (c5h12) ?

A gas has a volume of 30 L at 105 kPa. What pressure is required to compress the gas to 21 L?

Using special equipment which layer of the sun atmosphere is visible during a total solar eclipse

The characteristic flame test colors of metal ions are due to atomic emission spectra. Duscuss the relationship between the absoption and emission of light and the factors responsible for flame test colors.