In the periodic table, the period number indicates
a. the number of dots shown on the lewis dot diagrams for elements in that period.
b. the number of valence electrons for elements in that period.
c. the reactivity levels for elements in that period.
d. the number of the outermost energy level for elements in that period.

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer