How many protons is in this certain atom if it has a neutral charge and 16 electrons? And what atom is it?

A.

17; Chlorine

B.

18; Argon

C.

2; Helium

D.

16; Sulfur

Using the information in the table, what is the average atomic mass of sulfur?

To what final concentration of NH3 must a solution be adjusted to just dissolve 0.060mol of NiC2O4 (Ksp = 4*10-10) in 1.0 L of solution? (Hint: You can neglect the hydrolysis of C2O42 - because the solution will be quite basic.)

The halogen used in tooth paste is

Which terms are used to identify pure substances? an element and a mixturean element and a compounda solution and a mixturea solution and a compound?

What is the equilibrium constant for the following reaction? 3A + 2B 2C

How many O2 moles are needed to react with 12.5 mol of SO2

What is nitrogen classified as

Give 2 examples of how rocks color provides rocks mineral composition

A fluorescent light tube usually contains A. a vacuum. B. oxygen. C. mercury vapor. D. light-emitting diodes.

Detectors in the walls of four containers (A-D) count the number of collisions between gas molecules and the surfaces of the containers. The detectors count 10, 15, 20, and 30 collisions per second for containers A, B, C, and D, respectively.