Mendeleev
Periodic Law
Classes of Elements
Group
Elements
100
He created the periodic table
What did Mendleleev invent?
100
7
How many rows are in the modern periodic table?
100
3
How many classes of elements are there?
100
There are 8 groups.
How many groups are there?
100
Hydrogen
What is the first element?
200
From his favorite card game a version of solitaire
Where did he get the idea for the periodic table?
200
Properties of elements repeat in a predictable way when atomic numbers are used to arrange elements into groups
define a group
200
metels, meteloids, and nonmetels
The elements are classifyed into groups________,_______,and ___________
200
The alkaline earth metals
What is the second group?
200
Pb
What is the element symbol for lead?
300
By increasing mass
How did he arrange the elemnt in the rows?
300
By increasing atomic number
How are the elements arranged in a modern periodic table?
300
The elements that form a bridge between the elements on the left and right side of the table.
What is a transition metal?
300
The noble gases
What group is only made of up of gases?
300
Sb
What is the element symbol for antimony?
400
Eka-aluminium
What element did he predict that would come after aluminium? What did he call it?
400
Gallium
The element symbol Ga comes from what element?
400
Metals
Which are more reactive metals or nonmetals?
400
The Halogens
What group does not end in metals, family or gases?
400
Hf
What is the element symbol for hafnium?
500
Mendleev aranged the elements into rows in order of increasing masss so that elements with similar properties were in the same coumn.
Explain how Mendleev order the Periodic Table
500
Californium
The element symbol Cf comes from what element?
500
High temperature
Are metaliods good conductors in high or low temperature?
500
Aluminum
What is element from the Boron Family is most abundent metal on the earth crust?
500
Tm
What is the element symbol for thulium?
M
e
n
u