Periodic Table Quiz Flashcards
What are periods, how many
Horizontal rows (there are 7)
Group 1
Alkali metals
Group 2
Alkaline earth metals
Group 17
Halogens
Group 18
Noble gases
Groups 3-12
Transition metals
2 rows at bottom
Inner transition elements
Top row at bottom
Lanthanides
Bottom row at bottom
Actinides
Left at stair step
Metals
Right of stair step
Nonmetals
Along stair step
Metalloids (side touches)
Exceptions -boron nonmetal and aluminum metal
What’s atomic radius
1/2 distance between nuclei of two like atoms
What’s the atomic radius period trend
Decrease from left to right across period, nuclear attraction for electrons increases across a period
Atomic radius group trend
Increases from top to bottom down group
Ionization energy period trend
Increases from left to right across a period
Ionization energy group trend
Decreases from top to bottom down a group
Electron affinity period trend
Increases from left to right across a period
Group trend electron affinity
Decrease from top to bottom down a group
Electronegativity period trend
Increases from left to right across period
Electronegativity group trend
Decreases from top to bottom down group
What are groups
Vertical columns (elements in same groups tend to have similar chemical reactions)
