The chemical formula indicates the of its constituent ions

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?

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver