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

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

Main Features of the Long Form of the Periodic Table : (1) It shows arrangement of elements based on modern periodic law. (2) There are 18 vertical columns known as groups. (3) There are 7 horizontal rows known as periods.

What features and information does periodic table have?

The periodic table lists all the elements, with information about their atomic weights, chemical symbols, and atomic numbers. The arrangement of the periodic table leads us to visualize certain trends among the atoms.

What is the function of the periodic table?

Mendeleev designed the periodic table as a way of systematically categorising elements according to atomic number, electron configuration and recurring chemical properties. This allows for the identification of elemental characteristics simply by analysing its position on the table.

What are the advantages of modern periodic table?

ADVANTAGES OF THE PERIODIC TABLE:

• It is easier to remember the properties of an element if its position in the periodic table is known.
• The periodic table has made the study of chemistry systematic and easy.
• The type of compounds formed by an element can be predicted by knowing it position in the periodic table.

What are the 20 elements of periodic table?

First 20 Elements

Atomic Number	Element	Symbol
17	Chlorine	Cl
18	Argon	Ar
19	Potassium	K
20	Calcium	Ca

What are the 5 advantages of modern periodic table?

ADVANTAGES OF THE PERIODIC TABLE: It is easier to remember the properties of an element if its position in the periodic table is known. The periodic table has made the study of chemistry systematic and easy. It acts as an aid to memory.

What are disadvantages of modern periodic table?

What are the disadvantages of modern periodic table?

• Position of hydrogen is not satisfactory, it can be placed either in group I or 17 group of the first period.
• It fails to accommodate lathanides and actinides in the main body of the periodic table. These are kept separately at the bottom of the periodic table.

What exactly is the periodic table?

The periodic table is a tabular array of the chemical elements organized by atomic number, from the element with the lowest atomic number, hydrogen, to the element with the highest atomic number, oganesson. The atomic number of an element is the number of protons in the nucleus of an atom of that element.

What are the properties of the periodic table?

The periodic table is arranged according to periodic properties in terms of ionization energy, electronegativity, atomic radius, electron affinity, and metallic character. The periodic table arranges the elements by periodic properties, which are recurring trends in physical and chemical characteristics.

What are the most important elements of the periodic table?

Carbon is one of the most important elements on the periodic table (at least from the perspective of organic chemists!). Pure carbon is found in three stable forms at room temperature: graphite, diamond, and the fullerene form.

What are the different types of elements on the periodic table?

The elements present in the periodic table are classified under different groups, depending on their chemical and physical properties. They are, metalloids, alkali metals, alkaline earth metals, transition metals, other elements, non-metals, halogens, noble gases and rare earth elements.

What are some fun facts about the periodic table?

Fun Facts The periodic table is a grid with columns that run left to right (horizontal) and columns that run up and down (vertical). The elements are organized in cycles or periods from left to right, based on the number of protons in their nucleus. Elements are also organized in groups, based on their characteristics.