Home
X
Transition Metals
+
-
Copper
Silver
Gold
Actinide Metals
+
-
Californium
Plutonium
Thorium
Lanthanide Metals
+
-
Cerium
Erbium
Gadolinium
Post-Transition Metals
+
-
Bismuth
Lead
Aluminium
Alkaline Earth Metals
+
-
Beryllium
Calcium
Magnesium
☰
Compare Metals
Transition Metals
Actinide Metals
Lanthanide Metals
Post-Transition Metals
Alkaline Earth Metals
Alkali Metals
MORE!
Calcium and Protactinium Periodic Table
f
Calcium
Protactinium
Protactinium and Calcium in Periodic Table
Summary
Periodic Table
Facts
Uses
Physical
Chemical
Atomic
Mechanical
Magnetic
Thermal
Properties
All
Periodic Table
Symbol
Ca
Pa
Group Number
2
16
Not Available
Period Number
4
7
Block
s block
f block
Element Family
Alkaline Earth
Actinide
CAS Number
7440702
21
7440133
99+
Space Group Name
Fm_ 3m
I4/mmm
Space Group Number
225.00
2
139.00
8
Facts >>
<< Summary
Compare All Metals
Calcium vs Lithium
Calcium vs Aluminium
Calcium vs Lead
All Metals
Neodymium
Gadolinium
Uranium
Thorium
Aluminium
Lead
All Metals
Lithium
Periodi...
|
Physical
|
Chemical
|
Mechanical
Platinum
Periodi...
|
Physical
|
Chemical
|
Mechanical
Zinc
Periodi...
|
Physical
|
Chemical
|
Mechanical
Compare All Metals
Protactinium vs Thorium
Periodi...
|
Physical
|
Chemical
|
Mechanical
Protactinium vs Gadolinium
Periodi...
|
Physical
|
Chemical
|
Mechanical
Protactinium vs Uranium
Periodi...
|
Physical
|
Chemical
|
Mechanical