A compound composed of two oppositely charged atoms is a (n)

a. covalent bond

c. postive bond

b. physical bond

d. ionic bond

Do ionic bonds increase the stability of atoms

What makes an acid strong (Ph of 2)

Simplify (6x-9-2x) (8+5x-5)

Which 1-mole sample has the least entropy? (1) Br2 (s) at 266 K (3) Br2 (l) at 332 K (2) Br2 (l) at 266 K (4) Br2 (g) at 332 K

Why do scientists use frequencies in the VHF range? a. It is the same frequency of many animal calls b. It can travel long distances c. It doesn't hurt animals d. Most animals don't make sounds in that range

5. Identify a suitable method that would be used to separate mixture of the follow [b]Water and ethanol c]Table salt dissolved in water d] iodine and potassium Pul the table below

How much energy is needed to convert 57.3 grams of ice at 0.00°c to water at 75.0°c? specific heat (ice) = 2.10 j/g°c specific heat (water) = 4.18 j/g°c heat of fusion = 333 j/g heat of vaporization = 2258 j/g?

A certain first-order reaction (A→productsA→products) has a rate constant of 9.90*10-3 s-1s-1 at 45 ∘C∘C. How many minutes does it take for the concentration of the reactant, [A][A], to drop to 6.

Assign the oxidation number for (NH4) 3PO4

When gold is melted and formed in a mold to make a piece of jewelry, what type of change is taking place?