Which of the following is not a physical property? electrical conductivity
solubility
melting point
state at room temperature
reaction with water

18. use the activity series to predict whether the following synthesis reaction will occur. write the chemical equations for the reaction if it's predicted to occur. (s) + o2(g) -> *note: it is possible.*

What does x represent in the formula for the compound xcl4?

When an object falls through the air and encounters air resistance its overall speed will be than if it had not encountered air resistance? (one word answer)