An atom in the excited state can have an electron configuration of

One mole of silver has a mass of 107.9 grams. Approximately how many atoms of silver are present in one mole of silver? A) 107 atoms B) 108 atoms C) 6 x 1023 atoms D) 53 x 1023 atoms

2) Calculate the mass (g) of the following substances: b) 0.119 mole MgCl2

Water was added to 175mL of a KOH solution until the volume was 250 mL and the molarity was 0.315 M. What was the molarity of the initial concentrated solution?

What kind of mixture is shaving cream

An element forms a negative ion when ionized. what side of the periodic table is it located on?

A 92 kg zebra is traveling 13 m/s east. What is the zebra's momentum? kg-m/s

What is the mass of 5.0 cm^3 piece of copper having a density of 8.96 g/cm^3

The [H3O+] in a solution is increased to twice the original concentration. Which change could occur in the pH? 2.0 to 4.0 1.7 to 1.4 5.0 to 2.5 8.5 to 6.5 6.8 to 9.8

How can I differentiate between Ionic compounds, molecular compounds, and acids given only the formula?

Features of carbon that makes it unique in organic chemistry