Atomic Theory
Name ________________
Homework 2
Q1
An atom of Aluminium (symbol Al) has 14 neutrons and 13 protons.
Write the nuclide notation for the atom, clearly labelling the atomic
number and mass number.
Q2
Calculate the number of protons, neutrons and electrons in an atom of
Copper (atomic number 29, mass number 63).
Q3
What is the same about the atoms of two isotopes of the element
Chlorine?
Q4
What is different about the atoms of two isotopes of the element
Chlorine?
Q5
Using page 1 of the data booklet, write down the electron arrangement
of
a)
sodium
Q6
b)
silicon
c)
sulphur
Choose one of the examples from Question 5 and draw the electron
shell diagram for that atoms electron arrangement.