Two atoms will always have the same atomic number if they have the same a. mass number
b. number of protons
c. number of neutrons
d. number of nucleons

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

According to the tide table below what time of day will the highest tide occur?

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize