What is the true basis of periodic table ?

1 Answer

Answer :

The true basis of the periodic table is the electron configuration.

Related questions

Description : What is the main basis of modern periodic table ?

Last Answer : The true basis of the modern periodic table is the electron configuration.

Description : What is the main basis of periodic table ?

Last Answer : The electron configuration is the basis of the periodic table.

Description : What is the basis of periodic table ?

Last Answer : The electron configuration is the ground view of the periodic table. The periodic table was discovered in 189. Mendeleev's contribution to the invention of the periodic table is far greater.

Description : Which is the basis of modern periodic table? -Do You Know?

Last Answer : answer:

Description : On what basis are the elements in the periodic table divided ?

Last Answer : The elements are divided on the basis of religion.

Description : Which is the basis of modern periodic table?

Last Answer : Atomic number

Description : Mendeleev arranged the elements in his periodic table on the basis of

Last Answer : atomic mass.

Description : When talking about the periodic table, what are the trends of precipitates as you move down the column of alkaline earth metals?

Last Answer : Homework, eh? :)

Description : What is the signal of the last element of the periodic table ?

Last Answer : Uuo The last element of the periodic table.

Description : Which is the first element in the periodic table ?

Last Answer : The first element in the periodic table is hydrogen ( H) .

Description : How many stages are there in Mendeleev's Periodic Table ?

Last Answer : There are 7 stages in Mendeleev's Periodic Table .

Description : In the second and third stages of the periodic table, after how many elements does religion repeat ?

Last Answer : In the case of the second and third stages of the periodic table, religion repeats itself after the eight elements.

Description : What are the metals in the periodic table ?

Last Answer : : There is no such thing as non-metallic in the periodic table . For example: Boron ( B) Silicon ( Si) Germanium ( Ge) Arsenic ( As) Selenium ( Se) Antimony ( Sb) Tellurium ( Te)

Description : What is a Periodic Table of Elements ?

Last Answer : By classifying the elements of the same type of religion in the same category , replacing all the discovered elements , the current table of elements is called the periodic table of elements.

Description : What is the name of the last element of the periodic table ?

Last Answer : The last element of the periodic table is called Ogneson ( Og) .

Description : Position of Phosphorus in Periodic Table v , What is the reason ?

Last Answer : The position of phosphorus is in class V in the periodic table , because- i) the atomic number of phosphorus is divisible by 15 or 5 ii) the last layer of phosphorus atom has 5 electrons

Description : Where is the position of silicon in the periodic table ?

Last Answer : The position of silicon ( Si) in the periodic table is in phase 3 and group 14.

Description : In the periodic table of elements, on moving from left to right across a period, the atomic radius – (1) decreases (2) increases (3) remains unchanged (4) does not follow a definite pattern

Last Answer : (1) decreases Explanation: The atomic radius is the distance from the atomic nucleus to the outermost stable electron orbital in an atom that is at equilibrium. It tends to decrease across a period from ... usually increases while going down a group due to the addition of a new energy level (shell).

Description : Which metal is the heaviest in periodic table among the following? (1) Os (2) Pt (3) Pb (4) W

Last Answer : (1) Os Explanation: The densest chemical element is Osmium (which is a metal). Osmium has a density of around 22 grams per cubic centimeter, about twice the density of lead.

Description : Who invented the modern Periodic table? (1) Faraday (2) Mendeleev (3) Newton (4) Bohr

Last Answer : (2) Mendeleev Explanation: Dmitri Mendeleev was a Russian chemist who developed the periodic classification of the elements in 1869 A.D.

Description : Which of the following elements replaced eka-Aluminium in Mendeleev's Periodic Table? (1) Scandium (2) Gallium (3) Titanium (4) Germanium

Last Answer : (2) Gallium

Description : Elements present in the 2nd Group of the Periodic Table are also called ?

Last Answer : Ans alkaline earth metals

Description : Name the elements present in the 2nd Group of the Periodic Table:

Last Answer : Ans beryllium, magnesium, calcium, strontium, barium and radium

Description : What is the position of Hydrogen in the periodic table?

Last Answer : Ans. Group I, Period I

Description : (a). Which is largest in size- Cu+ , Cu+2, Cu and why? (b). which element in the periodic table has the highest ionization enthalpy? (c). Which element is more metallic in the periodic table.?

Last Answer : Ans. (a). Cu is largest due to less effective nuclear charge. It has 29 electrons, 29 protons, Cu+ has 28 electrons and 29 protons, Cu2+ has 27 electrons and 29 protons. (b). He has highest ionization enthalpy. (c). Mg is more metallic due to lower ionization energy

Description : What is base of long form periodic table?

Last Answer : Ans: Bohr burry scheme

Description : How many groups and periods are found in long form periodic table?

Last Answer : Ans: 7 periods 18 groups

Description : Why are isotopes not considered in Mendeleev’s periodic table?Name the elements which are predicted by Mendeleev as eka –silicon and eka –aluminum

Last Answer : Ans.Because Mendeleev gave priority to similarities in properties. Germanium and gallium

Description : What are the important features of Mendeleev periodic table?

Last Answer : Ans: based on(i) increasing atomic mass (ii) similarities in properties of elements.(iii) 63 elements divided in 7 horizontal row called periods and 8 vertical groups

Description : Which metals are generally extracted by electrolyte process? Which positions these metals generally occupy in the periodic table?

Last Answer : Ans. : Electrolytic process is used for the extraction of active metals like Na, Ca, Mg, K, Al etc. where all other methods fail. Except Al and few other metals, these metals belongs to S-block elements of periodic table. 

Description : Explain the Modern Periodic Law , also define salient features of modern periodic table

Last Answer : Ans : Modern Periodic Law : Based on the concept of atomic number Bohr , Werner & Bury proposed the modern periodic law as ; The physical & chemical properties of all elements are ... periods. The physical & chemical properties of elements change from metallic to non metallic along a period.

Description : Explain the Mendeleev’s Law of classification of elements also describe advantages & disadvantages of his periodic table.

Last Answer : Ans : Mendeleeve's Law of Classification : Mendeleeve in 1869 arrange elements in order of increasing atomic masses. He placed chemically similar elements vertically beneath each other & concluded that : The ... metals. No Idea Of Atomic Structure : It failed to give the idea of atomic structure.

Description : Which group elements show very low ionization enthalpy in the periodic table?

Last Answer : First group elements (alkali metals) 

Description : Name the elements present in the 2nd Group of the Periodic Table: 

Last Answer : beryllium, magnesium, calcium, strontium, barium and radium. These elements with the exception of beryllium are commonly known as the alkaline earth metals. 

Description : Name the elements present in the 1st Group of the Periodic Table 

Last Answer :  lithium, sodium, potassium, rubidium, caesium and francium. They are collectively known as the alkali metals. 

Description : Which one of the following statements concerning elements in the Periodic Table is correct? A Elements of the same group all have the same number of electrons in the outermost occupied electron shell. B ... (Group 17) are all gases at room temperature. E The Group 13 elements are all metals.

Last Answer : D) Are compounds that exhibit both metallic & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron

Description : Who is given credit for first arranging the elements in the Periodic Table?

Last Answer : ANSWER: MENDELEEV

Description : As one moves down a group of the periodic table, the tendency to lose electrons does which of the following? w) increase x) decrease y) stay the same

Last Answer : ANSWER: W -- INCREASE

Description : Within a given period of the periodic table, the element with the lowest ionization energy is: w) transition metal x) alkali metal y) halogen z) noble gas

Last Answer : ANSWER: X -- ALKALI METAL

Description : The block of elements in the periodic table which are filling the 4-f electron shell are known as:

Last Answer : ANSWER: LANTHANIDES

Description : Name the chemical element that is eleventh in the Lanthanide Series in the periodic table. Because of the metal's high thermal-neutron-absorption cross section, it has been of much interest in terms of use in nuclear reactor hardware. The chemical symbol for this element is Er.

Last Answer : ANSWER: ERBIUM

Description : Name this chemical element. The principal use of this element has been in solid-state electronic devices, notably transistors. Its position in the periodic table is in group "4A". The element's atomic number is 32 and its chemical symbol is Ge.

Last Answer : ANSWER: GERMANIUM

Description : Proceeding across a period in the Periodic Table, what atomic size trend is observed?

Last Answer : ANSWER: ATOMIC SIZE DECREASES

Description : A gaseous organic compound that is best known for its use in preservative solutions has the chemical formula HCHO (read: H - C - H CHEM-92; Short Answer: Give me the name and atomic number ... element is a clear, odorless gas. This element is one of the essential ingredients in the burning process.

Last Answer : ANSWER: OXYGEN ATOMIC NUMBER = 8

Description : Four of the lightest ten elements in the periodic table are solids at standard temperature and pressure. Name these four elements. 

Last Answer : ANSWER: LITHIUM, BERYLLIUM, BORON, CARBON

Description : The element I am thinking about has several interesting characteristics. It occupies the same column in the periodic table as lead. Resistors which are commonly found in electronic circuits are often made out ... element is one of the hardest substances on earth. What element am I thinking about? 

Last Answer : ANSWER: CARBON

Description : As one goes across a period in the periodic table, the ionization energy generally increases for one of the following reasons. Is it because of the increasing w) atomic radius x) melting point y) nuclear charge z) density

Last Answer : ANSWER: Y -- NUCLEAR CHARGE

Description : What is the family name given to the elements in group 1A of the periodic table?

Last Answer : ANSWER: ALKALI METALS

Description : The elements in group 1A of the periodic table are called: w) halogens x) alkaline earths y) alkali metals z) rare earths

Last Answer : ANSWER: Y -- ALKALI METALS

Description : In the periodic table, which term identifies a horizontal row?

Last Answer : ANSWER: PERIOD