Study – Chemistry Flashcard

group/family

A verticle column of the periodic table

They have the same valence electron structure

period
a horizontal row of the table
inert
do not chemically react/exchange electrons
atomic number = number of…
protons
ionization energy
energy needed to remove an electron from an atom
atomic radius
size of atom
ionic radius
size of an ion
negative ions get _______; positive ions get _______
larger; smaller
Elements are arranged according to increasing…
atomic number
Ionization energy increases as you move (up/down) and (left/right) across the table.
up; right
Electronegativity increases as you move (up/down) or (left/right) across the table.
up; right
Atomic radius increases as you move (up/down) or (left/right) across the table.
down; left
Metallic character increases as you move (up/down) or (left/right) across the table.
down; left
What element has a family of its own?
hydrogen
The elements in the first column of the table are known as…
alkali metals
The elements in the second column of the table are known as…
alkaline earth
The elements in the last column of the table are known as…
noble gases
The elements in the second-to-last column of the table are known as…
halogens
Wanna see a cool chart?
[image]

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