What are the electronic configurations for the first twenty elements

What limitations are associated with the use of both word and formula equations?

If you have 1.75 mol of H2, and more than enough N2, how many moles of NH3 can we make? Reaction: N2 + 3 H2 → 2 NH3

The vapor pressure of CCl3F at 300 K is 856 torr. If 11.5 g of CCl F is enclosed in a 1.0-L container, will any liquid be pres - vap Cs, solid 118 J>mol 3 ent? If so, what mass of liquid?

Jake hangs two balloons from a desk so that they are close together but not touching. Jake rubs one balloon with a wool cloth. He does nothing to the other balloon. What happens when he lets go of the balloons? Cecilia is combing her hair.

How does the modern periodic table arrange elements? A. by atomic mass B. by atomic number C. by number of isotopes D. by electron mass

In the lab, felipe has two solutions that contain alcohol and is mixing them with each other. he uses twice as much solution a as solution b. solution a is 12% alcohol and solution b is 15% alcohol.

What is the IUPAC nomenclature for K2FECN5CO

What is the volume of the sphere? Round your answer to the nearest tenth. cm

Enter a range of values for x, 2x+10, 14

Ruthenium-106 (Ru106) is used to treat melanoma in the eye. This isotope decays by β - emission with a half-life of 373.59 days. One source of the isotope is reprocessed nuclear reactor fuel.