Which Ion has the same electron configuration as an Ar atom 1. Cl -
2. F -
3. Li+
4. Na +

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.

The organism shown is a free-living one that is anchored to the bottom of ponds and streams during one stage of its life cycle what is the common name for the group to which this organism belong

Classify this reaction: 2al+n2-> aln.