Groups
A small, negatively charged particle.
electron
Name of KCl
Potassium Chloride
Sodium Iodide
NaI
What is the name of the scientist who created the periodic table?
Dmitry Mendeleev
What are the rows called?
periods
Particles found in the nucleus
protons and neutrons
Name of MgBr2
Magnesium Bromide
Calcium Oxide
CaO
How many elements have been discovered?
118
The periodic table is arranged in order of ascending _________.
Atomic Number
How many protons are in Sulfur?
16
BaS
Barium Sulfide
Potassium Oxide
K2O
What is the only metal that is liquid at room temperature?
Mercury
This groups is unreactive (stable)
Group 8 (noble gases)
How many neutrons are in argon?
AlCl3
Aluminum Chloride
Aluminum Oxide
Al2O3
What is the most common element on Earth?
Oxygen
Transition metals
How many electrons does a sodium ion have?
10
CuBr2
Copper (II) Bromide
Iron (III) Chloride
FeCl3
What is the most expensive metal?
Rhodium ($15,250/ounce)
2. Iridium
3. Palladium
4. Gold
5. Platinum