25. A. What are Ionic compound ? Show the formation of Magnesium Oxide. 5 B. Among Covalent and Ionic compound which will have higher melting and boiling point and why?

Someone, part 1: which compound does c represent? part 2: name a process that could release this compound into the air. part 3: explain how the elements that form it are conserved during the carbon cycle. use complete sentences to explain your answer. justify how this compound was created from a recycling of carbon in the carbon cycle. use complete sentences to explain your answer.

Consider the story you just read. all but one of the choices below indicate that something is living.

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule