Chemistry

Using your textboook or the Internet, research elements and compounds. On the basis of your research, respond to the following:
What are the differences between physical and chemical properties in chemistry?
What are the differences between physical and chemical reactions in chemistry?
What are the characteristics that make elements different from compounds? Give two examples of each that exist in the human body and explain their function.
Discussion Question 2
On the basis of your research, provide:
An analysis of the properties of the neutral atom and its most common ion.
An explanation of the difference between stabilities of the selected neutral atom and its most common ion.
A description of a process in the human body that is impacted differently by the neutral atom and its most common ion.