Is supports combustion a chemical or physical property

Name the element in group 17, period 2. (periodic table)

What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.

What information does a complete ionic equation give that the balanced equation doesn’t show?