Why is the distance between New York and London increasing each year?

What is the nature of the ca-cl bond in a molecule of calcium chloride (cacl2) if the electronegativity value of calcium is 1.0 and that of chlorine is 3.16?

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

Explain what happens at the saturation point when adding salt to water at room temperature.