Periodic Table Flashcards
What is a negative ion
Anion
Name the three major categories into which the elements are divided.
- Metals
- Nonmetals
- Semimetals
What criterion did Mendeleev use in arranging his periodic table?
Atomic mass
Which periodic table do we use today?
Atomic #
What does the period number tell you?
Energy levels
What does the family number tell you?
Valence electrons
Name the liquid metal on the chart.
Mercury
Name the liquid nonmetal on the chart?
Bromine
What criterion did Mosley use in arranging his periodic table?
Atomic #
What is the difference between the lanthanide and actinide elements by definition and table location?
- Lanthanide is on period 6
- Actinide is on period 7
What are the rare earth elements?
The 2 bottom rows of the periodic table
Why are noble gases relatively nonreactive?
Stable octet
What information is provided by the specific block location of an element?
- Atomic #
- Atomic Mass
- Symbol
Identify, by number, the groups located within each of the four block areas.
- S~ families 1,2
- P~ families 13-18
- D~ families 3-12
- F~ bottom 2 rows
Which elements are designed as the Alkali metals ?
1 or 1A
Which elements are designed as Alkaline Earth Metals?
2 or 2A
What name is sometimes used to refer to the entire set of d-block elements?
Transition
Which type of elements make up the ‘p’ block?
Representative
Which elements are designed as the halogens?
17 or 7A
Which elements are designed as the noble gases?
18 or 8A
Which elements are metalloids?
Staircase
Which elements make up the ‘f’ block in the Periodic Table?
- Lanthanides
- Actinides
What trend is observed among the atomic radio of group A elements down a group?
Larger or up
What is electron affinity?
Ability to keep electron