What does the element symbol on the periodic table indicate?

Most substances become less dense as the temperature increases. Which substance is an exception to this rule

What is the suns color

Will bromine react with sodium? Why or why not?

How does radiant heat from the Sun affect the water cycle? A. It causes precipitation. B. It causes evaporation. C. It causes cloud formation. D. It causes surface run-off.

There are no biotic factors in soil, just minerals

Bacteria and protists are primarily unicellular organisms. How do bacteria and unicellular protists differ? Options: A) Protists have a single chromosome in a nuclear region, but no nuclear membrane.

A solution contains 0.159 mol K3PO4 and 0.941 molH2O. Calculate the vapor pressure of the solution at 55 ∘C. The vapor pressure of pure water at 55 ∘C is 118.1 torr. (Assume that the solute completely dissociates.)

When 711 J of heat is added to a 41.1 g of an unknown metal, the temperature of the metal increases from 22oC to 94oC. Calculate the specific heat of this metal

What is the formula for copper (II) phosphate? Capitalization and punctuation count. How many atoms of phosphorus are in 7.10 mol of copper (II) phosphate?

What happens to the elements Sodium (Na) and Chlorine (Cl) when they combine to form salt (NaCl)