Unit 1 – Atoms & Elements Unit Exam Study Guide
WHMIS Symbols:
Match the WHMIS symbol in column 1 with its meaning in column 2:
Name the following:
HLi Be Na Mg KCa Cr Mn Fe Co Ni Cu Zn Ag Au Hg Sn Pb IKr Br Cl Ar Al B-
Si CPNSOHe Ne FList the symbol:
Chromium Iron Nickel Zinc Tin Gold Lead Krypton Chlorine Sulfur Phosphorus Silicon Aluminum Manganese Cobalt Copper -
Bohr Diagram Practice:
Hydrogen:
Atomic Symbol: ________
Atomic Mass: __________
# of Electrons: _________
# of Protons: ___________
# of Neutrons : _________
Silver Iodine Mercury Bromine Argon Boron Carbon Nitrogen Oxygen Fluorine Neon Helium Hydrogen Lithium Beryllium Sodium Magnesium Potassium Calcium -
Beryllium
Atomic Symbol:
Atomic Mass:
# of Electrons:
# of Protons:
# of Neutrons :
Argon
Atomic Symbol:
Atomic Mass:
# of Electrons:
# of Protons:
# of Neutrons:
Fluorine
Atomic Symbol:
Atomic Mass:
# of Electrons:
# of Protons:
# of Neutrons :
Boron
Atomic Symbol:
Atomic Mass:
# of Electrons:
# of Protons:
# of Neutrons:
Carbon
Atomic Symbol:
Atomic Mass:
# of Electrons:
# of Protons:
# of Neutrons :
Phosphorus
Atomic Symbol:
Atomic Mass:
# of Electrons:
# of Protons:
# of Neutrons:
Magnesium
Atomic Symbol:
Atomic Mass:
# of Electrons:
# of Protons:
# of Neutrons :
Sulphur
Atomic Symbol:
Atomic Mass:
# of Electrons:
# of Protons:
# of Neutrons:
Chlorine
Atomic Symbol:
Atomic Mass:
# of Electrons:
# of Protons:
# of Neutrons :
Silicon
Atomic Symbol:
Atomic Mass:
# of Electrons:
# of Protons:
# of Neutrons:
Lithium
Atomic Symbol:
Atomic Mass:
# of Electrons:
# of Protons:
# of Neutrons :
Neon
Atomic Symbol:
Atomic Mass:
# of Electrons:
# of Protons:
# of Neutrons:
Nitrogen
Atomic Symbol:
Atomic Mass:
# of Electrons:
# of Protons:
# of Neutrons :
Oxygen:
Atomic Symbol:
Atomic Mass:
# of Electrons:
# of Protons:
# of Neutrons:
Short Answer Questions:
1. Beginning with the innermost energy level in the Bohr model, list the
maximum number of electrons that an atom can have in its first three energy
levels
2. List if the following compounds are Ionic or Molecular:
Li2O –
KOH –
H2 O –
CO2 –
MgS –
BaS –
Ca2P2 –
3. Choose two substances and classify one as a pure substance and the other as
a mixture. Describe the difference between the two:
4. How are metals, non-metals, and metalloids organized in the periodic table:
5. Describe Water using at least five properties of a substance
6. Identify a hazardous chemical that is useful, explain your choice:
Define the following terms:
Compoud
Mechanical Mixture
Property
Bond
Group
Metals
Neutron
Non-Metals
Periodic Table
Proton
Physical Properties
Chemical Reaction/Change
Noble Gas
Cohesion
Adhesion
Atomic Mass
Atomic Number
Element
Metalloids
Theory
Electron
Matter