Which of the following electron configurations correspond to an excited state? Identify the atoms and write the full, ground state electron configuration where appropriate. 1s22s23p1

1s22s2sp6

1s22s22p43s1

[Ar] 4s23d54p1

Complete the following reactions using word and balanced equations including states. dilute phosphoric acid is added with a calcium hydroxide solution.

Select the correct answer. when carbon dioxide dissolves in water, it sometimes reacts with water to form carbonic acid as in this balanced equation: co2 + h2o → h2co3. if 495 milliliters of carbon dioxide at 25°c and 101.3 kilopascals reacts with excess water, what is the theoretical yield of carbonic acid? use the periodic table and the ideal gas resource a. 0.889 g b. 1.10g c. 1.27g d. 2.02g what's the answer! quick!

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-