1/13
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai |
|---|
No study sessions yet.
Father of the Periodic Table of Elements
Dmitri Mendeleev
Period
row
# of electron shells
increases as you go down
Group
column
# of valence electrons
grouped by characteristics
Periodic Law
when elements are arranged in order of increasing atomic number, their physical and chemical properties show a periodic pattern
Characteristics of Metals
conductors of heat/electricity
solid at room temp (except mercury)
malleable
ductile
shiny
high melting point
Characteristics of Nonmetals
poor conductors of heat/electricity
most gas at room temp (can be s, l, g)
brittle
dull
low boiling point
Metalloids
Br
Si
Ge
As
Sb
Te
Po
At
Group 1A
Alkali Metals
Group 2A
Alkaline Earth
Group 7A
Halogens
Group 8A
Noble Gases
Transition Metals
the d block
multi-valent
Alkali Metals
malleable
extremely reactive
one valence electrons
Halogens
nonmetal
extremely reactive
7 valence electrons