1. ATOMIC STRUCTURE AND MASS QUIZ REVIEW

2. Label the parts of the element’s square on the periodic table.

3. Label the parts of the element’s square on the periodic table.
Name
Atomic Number
Atomic Symbol
Average Atomic Mass

4. The atomic mass number is equal to?
What is an ion? Write out the symbolic notation of a magnesium ion with an overall charge of 2+.

5. the sum of the protons and neutrons
The atomic mass number is equal to?
the sum of the protons and neutrons
What is an ion?
an atom with a charge
Write out the symbolic notation of a magnesium ion with an overall charge of 2+.
24Mg2+

6. Complete symbolic notation
Fill out the following table.
*Note: Isotopes are classified as a type of atom!
Complete symbolic notation
Symbol
Atomic Number
Average atomic mass
# Protons
# Neutrons
# Electrons
Is it an Atom or an Ion? 19 Fe 24
108Ag3+ 47

7. Complete symbolic notation
Fill out the following table.
*Note: Isotopes are classified as a type of atom!
Complete symbolic notation
Symbol
Atomic Number
Average atomic mass
# Protons
# Neutrons
# Electrons
Is it an Atom or an Ion?
39K K 19
39.08 20
Atom
56Fe2+ Fe 26
56.93 30 24
Ion
108Ag3+ Ag 47
107.87 61 44

8. Which subatomic particle’s number never changes?
Why is this important?

9. Which subatomic particle’s number never changes?
Why is this important?
Protons- the number of protons in the atom define the which element the atom is

10. What is the average atomic mass of an element?
Calculate the average atomic mass of nitrogen, based on the data given for its isotopes below.
Isotope
% Abundance
Nitrogen-14
98.02
Nitrogen-15
1.98

11. What is the average atomic mass of an element?
the average of all the isotopes of a given element
Calculate the average atomic mass of nitrogen, based on the data given for its isotopes below.
amu
Isotope
% Abundance
Nitrogen-14
98.02
Nitrogen-15
1.98

12. On the back of your paper:
Draw one of the five models of the atom that we studied.
What is the name of the mode that you drew?
Who developed it? What are some of its pros/cons?