Atomic Structure Assignment #1

Answer the following questions for this assignment. It is due 11:59 pm Sunday night.

Either upload it here, or email it to me at: dberkeley@stgeorgesinstitute.org

1.What is an atom?

2.Atoms are composed of THREE subatomic particles. Name these and use their relative masses and charges to distinguish between them. (You can find out about the relative masses between those subatomic particles in the your textbook, which i have also uploaded for you on MyCore)

3.Define the following terms:

a) atomic number

b) mass number

4. Determine the number of protons, neutrons and electrons of the the following atoms:

(remember what the numbers represent)

a)²⁰₁₀Ne

b)¹⁶₈O

c)²⁷₁₃Al

5. Draw the shell diagrams for the atoms in the question above.