On the basis of electronegativity, which pair of elements is most likely to form a polyatomic ion?

A. Cs and Cl

B. Ba and O

C. O and P <- - I believe this is correct.

D. Na and Br

Which group of elements are considered to be in the same family? A. helium, neon and argon B. potassium, calcium and scandium C. manganese, iron and cobalt D. hydrogen and helium

How long does it take for the average cumulus cloud to disperse

An example of a solution that is formed endothermically is the one used in cold packs spray paint ice cream hot packs

Describe what it means for something to be an acid.

The periodic law states that the physical and chemical properties tend to repeat periodically when elements are arranged according to what trend

A noncompetitive inhibitor. binds to the active site of an enzyme a. b. increases the rate of enzyme action alters the primary structure of the enzyme c. d. none of these

True or false? The radioactive wastes produced by nuclear fission remain dnagerous for dozens of years

Determine the number of moles of Krypton contained in a 3.25 liter gas tank at 5.80 atm and 25.5 °C.

In the reaction 2co (g) + o2 (g) â 2co2 (g), what is the ratio of moles of oxygen used to moles of co2 produced? select one:

A log's mass is 5 kg. After burning, the mass of the ash is 1 kg. Explain what may have happened to the other 4 kg of mass.