What is the hydroxide ion conc. of a sample of creek water, if the pH=6.7.

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.

What is the chemical name of the compound ti2o3?