A nonmetallic element x forms an ionic compound with sodium that has the formula na2x. the charge on the x ion must be

Identify the correct charge of each atomic particle A. Electron=positive; proton=negative; neutron=no charge B. Electron=negative; proton=positive; neutron=no charge C. Electron=no charge; proton=negative; neutron=positive D.

Describe the correct electron dot diagrams for the first ten elements of the periodic table.

How is concentration similar to density?

Which term names two different forms of a single gene

An electromagnets different from a permanent magnets because an electromagnet blank whats the blank?

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)