What is the purpose of an “indicator”? Many fruits, vegetables, and flowers are acid base indicators. Give two examples of common indicators and the color of each in an acid and a base.

Complete the table for ion charge based upon their losing or gaining electrons in the outer shell. (use the periodic table as necessary.) group most likely ionic charge # of valence electrons i +1 ii +2 iii +3 iv +4 or -4 v -3 vi -2 vii -1 viii 0

Explain how the integumentary system plays a crucial role in the ability to maintain homeoestasis

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