What is the long form of periodic table?

The modern periodic table, also known as the long-form, is based on modern periodic law. The table is an arrangement of elements in increasing atomic number order. The periodic table in its current form is known as the modern periodic table. It is made up of 18 vertical columns and 7 horizontal rows.

Who gave the long form of periodic table?

Bohr
Therefore Bohr is the scientist who discovered the long form of the periodic table.

What are the characteristic feature of long form of periodic table?

1 Answer. (i) There are in all 18 vertical columns i.e. 18 groups in the long form periodic table. (ii) There are groups numbered from 1 to 18 from the left. (iii) There are seven horizontal rows called periods.

What are the advantages of long form of periodic table?

Both Lanthanoids and actinoids are placed in separate panel at the bottom of the periodic table. Advantages of long form of periodic table: It gives a suitable link between the position of element and its electronic configuration. On the basis of atomic numbers it easier to remember all the elements.

Why is the periodic table named long?

The Modern Periodic Table is called as “long form” of the periodic table,since in comparison to Mendeleev’s Periodic table,it is longer and have the capacity to not only accommodate those elements which have been discovered but also which are yet to be discovered.

How many periods are there in long form of periodic table?

seven
Periods. There are currently seven complete periods in the periodic table, comprising the 118 known elements.

How elements are divided in the long form of periodic table?

It is divided into four blocks. They are : (i) s-block , (ii) p-block (iii) d- block and (iv) f-block.

What year was the long form of the periodic table?

The underlying reason for these trends is electron configurations of atoms. The first periodic table to become generally accepted was that of the Russian chemist Dmitri Mendeleev in 1869: he formulated the periodic law as a dependence of chemical properties on atomic mass.

Who is the father of modern periodic table of elements?

Dmitri MendeleevPeriodic table / Inventor

Why is the modern periodic table called long form?

Why is long form of periodic table is better than Mendeleev?

Modern Periodic Table is better than Mendeleev’s periodic table because: This table is based on the atomic number, which makes it more accurate. There is a correlation between the position of the elements and their electron configurations clearly. Complete separation of metals and non-metals has been achieved.