Actinoids are placed in a separate row under the Periodic Table.
Astatine is placed in group-17 in the Periodic Table. Its symbol is At.
Compounds are not placed in the periodic table.
If new elements are placed, then they would be appended in the periodic table. It won't disturb existing periodic table.
Metals are placed at the left. Non-metals are placed at right in periodic table.
CO3 is not placed in periodic table. Only elements are arranged in periodic table.
All chemical elements are placed in the periodic table.
The abbreviation for potassium is " K " in the periodic table. It is placed in group-1 of the periodic table.
No. Xenon is not the first period of the periodic table. It is placed in the 5th period of periodic table.
No , Iodine is placed in period-5 of the periodic table.
Lanthanides and actinides are placed below the periodic table because of their unique physical and chemical properties.
The periodic table is an array of various elements. Iodine is an element. Hence it finds it place on the periodic table.
It is placed in group 1, period 1 on the modern periodic table