Anatomy and chemistry help

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Were studying bit of chemistry in my anatomy class and chemistry is not my best subject.

I'm having few difficulties with some questions will someone be able to help me out bit?

List the 3 subatomic particles found in atoms, the charge & location of each.

1.) How are electrons arranged around the nucleus

2.) What are 2 types of chemical bonds

3.) Formula for : Sodium atom and a chlorine atom

4.) Which atom becomes a positive ion?

5.) Which atom becomes a Negative ion?

6.) What is the function of an enzyme in a chemical reaction?

7.)Why are enzymes important in the human body

8.) What is the sum total of all reactions in the human body called?

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Specializes in med/surg, telemetry, IV therapy, mgmt.

there are helpful chemistry weblinks on posts #34, #79, and #82 of this sticky thread in the pre-nursing student forum

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