Have any of y’all taken earth science on cyber high? I need help with the final quizzes for unit 1, 3, and 4 :/

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

The appropriate concentration for an iodine sanitizer is

Nthis lab, you will do experiments to identify types of changes. using the question format you learned (shown above), write an investigative question that you can answer by doing these experiments