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Actinium Periodic Table

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Actinium In Periodic Table

Symbol
Ac

Group Number
Not Available
📊

Period Number
7
📊

Block
f block
📊

Element Family
Actinide
📊

CAS Number
7440348
47

Space Group Name
Fm_ 3m

Space Group Number
225.00
2
📊

Periodic Table

Group →

Period ↓

1

2

3

4

5

6

7

1

H

2

3

La-Lu
Ac-Lr

4

5

6

7

8

9

10

11

12

13

B

14

C
Si
Ge

15

N
P
As
Sb

16

O
S
Se
Te

17

F
Cl
Br
I
At

18

He
Ne
Ar
Kr
Xe
Rn
Og

Actinium in Periodic Table

Have you identified the position of Actinium in periodic table? Well, the periodic table is a tabular arrangement of all the known chemical elements with respect to their atomic numbers, which eases the task of locating and grouping metals with similar properties & characteristics. Actinium periodic table elucidates about significance of its position in the periodic table. Any metal can be easily identified and located on the periodic table, provided its group, period, block, atomic number or other periodic table facts are known.

Element family of Actinium (Ac)

Metals in the periodic table are categorized into different element categories like Alkali Metals, Alkaline Earth Metals, Transition Metals, Post-Transition Metals, Lanthanides, Actinides and so on! In periodic table, it is categorized under Actinide Metals. Element family of Actinium (Ac) defines its elemental group in the periodic table. Total 15 metals are included in actinide series, from Actinium to Lawrencium. Actinide series is located under f and d block of the periodic table. Because of their position in the periodic table, actinide series metals do not consist of a group number in the periodic table. These 15 actinide series metals are also called as rare earth elements. Along with alkali metals, you can also know more about the metals in other categories like Base Metals and Noble Metals.

Symbol of Actinium

The atomic symbol of Actinium is Ac and it is used to represent this metal in the periodic table. The symbol of all the chemical elements is a special shortened name assigned to them, which varies from 1 to 3 characters. It helps in identifying the metal in the periodic table and is unique for every metal. Actinium metal is placed under 7 period, and group number Not Available. The periodic table is subdivided into 4 rectangular blocks and this metal is placed under the f block. Toxicity and side effects of this metal are mentioned in Uses of Actinium. It helps you to find the normal level of this metal present in human blood and bones, to know which metal are harmful and which aren't!