An ion from a given element has 82 protons and 80 electrons. what is the charge on the ion? what is the name of the element? what is the symbol for the ion?

Is Ba (NO3) 2 covalent or ionic

When you add so much solute that no more dissolves, you have a a. saturated solution. b. unsaturated solution. c. neutralization. d. suspension. When you add so much solute that no more dissolves, you have a a. saturated solution.

In every balanced equation, one should find represented on both sides the same number of: 1) atoms; 2) coefficients; 3) isotopes; 4) molecules.

Take an ice cube at - 196 °C and drop it into an ice-water mixture at 0 °C and wait. The ice cube warms up so E_thermal of the ice cube increased. What energy system decreased?

Zn + H2SO4 = ZnSO4 + H2

What is the formula equation for: Copper (II) Sulfate Pentahydrate - > Copper (II) Sulfate + Water?

what combination will result in a acidic solution? a reaction of strong acid and strong base b reaction of strong acid and weak base c a reaction of weak acid and strong base d reaction of weak acid and weak base

How many moles of sucrose (C12 H12 O11) would be in 7.1 liters of a 0.93 molarity solution of sucrose?

If the temperature is constant what change in volume would cause the pressure of an enclosed gas to increase by a factor of 4

For the reaction of carbon with carbon dioxide to make carbon monoxide, one set of conditions produced a Kc = 1.2 * 10-1. At equilibrium at a certain temperature, the concentration of product was 0.60 M.