Alchemy II Review for test
Name___________________________Period________
Flame Test: (p. 87-89)
1. Complete the chart for ions that produce these flame colors:
Red
Orange
Pink
Yellow
Blue-green
Green
2. What does the flame test tell us about the structure of atoms?
3. Describe how you can predict the color of a chemical when it emits light if you know its chemical
formula.
4. Describe the movement of electrons when a substance emits light.
Groups/Periods: (p. 91-94, 96-100)
1. Not including transition metals, what can you know about an ion if you know what group it is in?
Electron Shells/Ions: (p. 91-94, 96-100)
(FOUR DIAGRAMS TOTAL)
Magnesium – Draw in space to the right .
1. Draw an electron shell diagram for a neutral Magnesium atom.
2. How many valence electrons does it have?
3. How many core electrons?
4. What noble gas does it want to have the stability of?
5. Will it lose or gain electrons to get that stability?
Magnesium Ion - Draw in space to the right .
6. Draw the new electron shell diagram for the ion of Magnesium .
7. How many of each does it now have?
a. Protons ___________
b. Electrons __________
What is its charge now? __________ Why?
Oxygen – Draw in space space to the right.
1. Draw an electron shell diagram for a neutral Oxygen atom.
2. How many valence electrons does it have?
3. How many core electrons?
4. What noble gas does it want to have the stability of?
5. Will it lose or gain electrons to get that stability?
Oxygen Ion – Draw in space space to the right.
6. Draw the new electron shell diagram for the ion of Oxygen .
7. How many of each does it now have?
a. Protons ___________
b. Electrons __________
What is its charge now? __________ Why?
8. Define ion, cation, and anion.
Questions: (p. 91-94, 96-100)
Explain why the charge of an atom is determined by the relationship between the number of protons and
the number of electrons.
What is a polyatomic ion? (p. 111-113)
Describe the law that all ionic compounds must follow. It has the word “zero” in it.
What is the ratio of metals to nonmetals for these groups?
Column 1: Column 7 ______________________
Column 1: Column 6______________________
Column 2: Column 6______________________
Column 1: Column5______________________
Column 3: Column 5______________________
Column 2: Column 5______________________
Naming Ionic compounds (p. 101-105, 107-110, 111-113)
Write the name OR the formula for the following.
1. sodium carbonate _____________________
9. CaS_____________________
2. cobalt II phosphide_____________________
10. K2CrO4_____________________
3. lead IV sulfite _____________________
11. Ca(NO3)2_____________________
4. calcium chloride_____________________
12. (NH4)3N_____________________
5. ammonium sulfide_____________________
13. ZnCl2_____________________
6. calcium sulfate_____________________
14. KOH_____________________
15. Pb(SO4)2______________
16. ZnCl2_________________
Interpreting Compounds
For the following compounds, list what atoms are present and how many of each atom:
a. Cu(NO3)2 (s)
Transition Metal Practice (p. 114-116)
Positive Ion
or
Cation
Negative Ion or
Anion
Chemical Formula
Name
Ni F3
Zn3(PO4)2
Mn(NO3)3
iron III sulfide
zirconium (II) bromide
Nickel (III) Chloride
Categorizing Chemicals by their physical properties (p. 126-129)
1. Define soluble and insoluble:
2. In order to conduct electricity a chemical either has to have two kinds of bonds:
___________________________________________________ or ___________________________________________________
3. A chemical that does not conduct electricity has two kinds of bonds: _______________________________ or
_____________________________________.
4. Predict whether these will conduct when dissolved. Explain in terms of bonds.
MgCl2 (s)
C3H8 (g)
Pt (s)
Ca (s)
S (s)
C12H22O11(S)
C (s)
5. Predict whether these will dissolve or not. Explain in terms of bonds.
KBr (s)
S (s)
Ag(S)
W(S)
6. Identify the type of bonding in each of the following substances:
a. MgCl2 (s)
b. C3H8 (g)
c. Pt (s)
d. NH3 (l)
e. Zn (s)
Fill out chart on 4 types of bonding: (p. 130-134)
Type of
Bonding
Ionic
Molecular
Covalent
Network
Covalent
Metallic
Occurs
between
what types
of atoms?
Conducts
electricity?
(Y/N) List any
special
circumstances
for electricity
conduction
Most likely
phase of
matter
Solubility
(soluble or
insoluble?)
Malleable or
brittle?
Hard or
soft?