PreTest Review: Select one question you got wrong on the pretest.
List
the version number
question number, and
explain either
why the correct answer is correct or
why your answer is incorrect
If you did not miss any questions, leave this blank.
What is the correct AZ notation for an element withy 12 protons, 13 neutrons, and 13 electrons?
How many electrons does this element have: 199F-2
What element has 7 electrons and a +2 charge?
PreTest Review: Select a second question you got wrong on the pretest.
List
the version number
question number, and
explain either
why the correct answer is correct or
why your answer is incorrect
If you did not miss any questions or only missed one, leave this blank.