Ch 2: Organization of the Periodic Table Flashcards
What are the periods of the periodic table?
The horizontal rows
What are the groups of the periodic table?
The vertical columns
What are the three main classifications of the elements?
Metal, Metalloid, and Nonmetal
What are the subcategories of the nonmetals?
Reactive nonmetals and noble gases
What are the subcategories of metals?
Short answer:
Any other subcategory that is not nonreactive nonmetals, nobles gases, or metalloids
Full answer:
- Alkali metals
- Alkaline earth metals
- Lanthanoids
- Actinoids
- Transition metals
- Post transition metals
Which group is the Alkali metals?
Group 1, excluding Hydrogen
Which group is the Alkaline Earth metals?
Group 2
Which group is the Halogens?
Group 17
Which group is the Noble Gases?
Group 18
Which period is the Lanthanoid series?
Period 6 (extended line)
Which period is the Actinoid series?
Period 7 (extended line)
Which elements are metal?
All elements on the left side of the metalloid line, excluding Hydrogen
Which elements are nonmetal?
All elements on the right side of the metalloid line, including Hydrogen
Which elements are metalloids?
- Boron (B)
- Silicon (Si)
- Germanium (Ge)
- Arsenic (As)
- Antimony (Sb)
- Tellurium (Te)
- Polonoim (Po)
- Astatine (At)
What are diatomic elements?
Elements that exist with itself as pairs
Example
X₂
What are polyatomic elements?
Elements that exists with itself as a group of 3 or more
Example
X₄
Which elements are diatomic?
- Oxygen (O₂)
- Hydrogen (H₂)
- Nitrogen (N₂)
- Fluorine (F₂)
- Chlorine (Cl₂)
- Bromine (Br₂)
- Iodine (I₂)
Which elements are polyatomic?
- Phosphorus (P₄)
- Sulfur (S₈)
Which groups are the representative elements?
Groups 1 and 2, and 13 - 18
Which groups are the transitional elements?
Groups 3 - 12
