Periodic Table of Elements - The periodic table is the tabular arrangement of all the chemical elements on the basis of their respective atomic numbers. In the periodic table, the vertical …

The modern or long form of the periodic table is based on the modern periodic law. The table is the arrangement of elements in increasing order of their atomic numbers. The modern periodic …

A period is a row of the periodic table that is horizontal. In the periodic table, there are seven periods, with each starting on the far left. Centered on the arrangement of the outer shell …

The shortest groups of the periodic table are from transition metals groups and the longest is Group 3. Periods: The horizontal rows of the periodic table are known as the Periods. There is …

The periodic table lists all the elements known to mankind, arranged in order of increasing atomic number and recurrent chemical properties. They are arranged in a tabular format, with a row …

Many periodic tables were made but the most important one was the Mendeleev periodic table. In 1869, after the rejection of Newlands Octave Law, Mendeleev Periodic table came into the …

Periodic Table: The periodic table is a system for arranging materials. It's worth noting that they're organized into columns and rows. 'Periods' are the horizontal rows that run from left to right, …

For neutral atoms, the number of valence electrons is equal to the atom’s main group number. The main group number for an element can be found from its column on the periodic table. For …

(c) From the standpoint of atomic structure, what determines which element will be the first and which the last in a period of the periodic table? (d) Explain why, the properties of elements are …

A tabular arrangement of elements in groups and periods which highlights the regular trends in properties of elements is defined as the periodic table. Features of Modern Periodic Table …