Element x and element y have a difference in electronegativity of 0.7. will the bond xy be covalent or ionic? Explain using the electronegativity difference.

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

What is the best describtion of the side of the moon that faces earth?

When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water vapor in her collecting bottle if the pressure in the collecting bottle is 97.1 kilopascals and the vapor pressure of the water is 3 2 kilopascals, what is the partial pressure of the hydrogen?