3. For each main-group element, what is the relationship between its group number and
the number of valence electrons that the group
members have?

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

Joan writes four numbers on the board in standard form, and then she writes their scientific notation