Home
Flashcards
Preview
Chemistry Notes Test 3
Home
Get App
Take Quiz
Create
How did Mendeleev group the elements on the periodic table?
Chemical properties, arranged it left to right by atomic mass.
How did Moseley arrange the elements on the periodic table?
By atomic number.
Noble gases are unreactive because?
They have a full outer shell.
Frequency and wavelength have a ______ relationship.
Inverse
Think of Planck think of _______
Quanta
Where are the alkali metals found?
Group 1
Where are the Lanthanides found?
f-block, period 6
Where are the Actinides found?
f-block, period 7
Octet Rule
In order to be stable elements want to have a full valence shell of typically 8 electrons
BrINClHOF
Br- Bromine
I- Iodine
N- Nitrogen
Cl- Chlorine
H- Hydrogen
O- Oxygen
F- Flourine
Group 1
Most reactive metals
Group 17
Most reactive nonmetals
Group 18
Least reactive elements
What is the trend for
atomic radius
down a group?
Increase
What is the trend for
atomic radius
across a period?
Decrease
What is the trend for
ionization energy
across a period?
Increase
What is the trend for
ionization energy
down a group?
Decrease
What is the trend for
electronegativity
across a period?
Increase
What is the trend for
electronegativity
down a group?
Decrease or remain the same
Author
sarahx1194
ID
45482
Card Set
Chemistry Notes Test 3
Description
Things to know for test 3
Updated
2010-10-29T00:46:39Z
Show Answers
Home
Flashcards
Preview