What question did Mendeleev use to guide his science inquiry?

What question did Mendeleev use to guide his science inquiry?
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(a) Why do we classify elements? (b) What were the two criteria used by Mendeleev in creating his Periodic Table? ... Justify your answer. -Chemistry 9th

Description : (a) Why do we classify elements? (b) What were the two criteria used by Mendeleev in creating his Periodic Table? ... Justify your answer. -Chemistry 9th

Last Answer : (a) It is done so as to study the properties of elements conveniently. (b) Increasing order of atomic mass and similarities in chemical properties (especially nature and formulae of oxide and hydride formed). ... at that time. (e) They will be kept at same slot as they have same chemical properties.

How Mendeleev organized his periodic table?

Description : How Mendeleev organized his periodic table?

Last Answer : By the increasing Atomic Mass.

How did Mendeleev arrange the known element in his periodic table?

Description : How did Mendeleev arrange the known element in his periodic table?

Last Answer : He arranged the elements in the increasing order of their atomicmasses and repeating periodic properties.

How did Mendeleev arrange the known element in his periodic table?

Description : How did Mendeleev arrange the known element in his periodic table?

Last Answer : He arranged the elements in the increasing order of their atomicmasses and repeating periodic properties.

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

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

Last Answer : atomic mass.

In his periodic table, Mendeleev could not assign a correct position to

Description : In his periodic table, Mendeleev could not assign a correct position to

Last Answer : Hydrogen

After his appearance on the Iraq Inquiry, has Tony Blair proved himself to be the spineless poodle that George Michael made him out to be?

Description : After his appearance on the Iraq Inquiry, has Tony Blair proved himself to be the spineless poodle that George Michael made him out to be?

Last Answer : No, he is very competent. But he is not very liked. The very reason he didn’t become the President of the European Council. He doesn’t have that much support in Europe. There isn’t much they can do to him though. You should put your links in the box. Like this. ”“LINK””:some URL

What did Moseley use to reorder the elements of Mendeleev periodic table?

Description : What did Moseley use to reorder the elements of Mendeleev periodic table?

Last Answer : Henry Moseley discovered a relation between X-ray spectra and the atomic number of chemical elements.

Mendeleev was a scientist from which country ?

Description : Mendeleev was a scientist from which country ?

Last Answer : Mendeleev was a Russian scientist.

How many elements did Mendeleev introduce the modern periodic table ?

Description : How many elements did Mendeleev introduce the modern periodic table ?

Last Answer : Mendeleev introduced the modern periodic table with 67 elements.

Mendeleev is a citizen of which country ?

Description : Mendeleev is a citizen of which country ?

Last Answer : Mendeleev is a Russian citizen.

How was Mendeleev and periodic table different from those of other chemists of the time?

Description : How was Mendeleev and periodic table different from those of other chemists of the time?

Last Answer : Feel Free to Answer

How did Mendeleev arrange the known elements in this periodic table?

Description : How did Mendeleev arrange the known elements in this periodic table?

Last Answer : Feel Free to Answer

What was arranged into a systemic chart by Dmitri mendeleev?

Description : What was arranged into a systemic chart by Dmitri mendeleev?

Last Answer : Feel Free to Answer

What did Dmitri mendeleev have to do to unlock the hidden pattern of the elements?

Description : What did Dmitri mendeleev have to do to unlock the hidden pattern of the elements?

Last Answer : What is the answer ?

What did mendeleev do with the elements that did not fit?

Description : What did mendeleev do with the elements that did not fit?

Last Answer : What is the answer ?

Why did Mendeleev swap Tellurium and Iodine around?

Description : Why did Mendeleev swap Tellurium and Iodine around?

Last Answer : Iodine has a lower relative Atomic Mass than tellurium, meaning it should come before tellurium following Mendeleev's rule. However, in order to place iodine with the elements that consisted of similar properties, he had to put it after tellurium. Thus breaking his own rule.-Hope this helped :)

Why is Mendeleev important?

Description : Why is Mendeleev important?

Last Answer : He is important because he was the person who invented the Periodic Table and made it how it is today

Why did Mendeleev swap Tellurium and Iodine around?

Description : Why did Mendeleev swap Tellurium and Iodine around?

Last Answer : Iodine has a lower relative Atomic Mass than tellurium, meaning it should come before tellurium following Mendeleev's rule. However, in order to place iodine with the elements that consisted of similar properties, he had to put it after tellurium. Thus breaking his own rule.-Hope this helped :)

Why is Mendeleev important?

Description : Why is Mendeleev important?

Last Answer : He is important because he was the person who invented the Periodic Table and made it how it is today

The names of the scientists, Newlands, Mendeleev and Meyer are associated with the development of (a) Atomic structure (b) Metallurgy (c) Periodic table of elements (d) Discovery of elements

Description : The names of the scientists, Newlands, Mendeleev and Meyer are associated with the development of (a) Atomic structure (b) Metallurgy (c) Periodic table of elements (d) Discovery of elements

Last Answer : Ans:(c)

Laws of heredity was put forward by – (1) Mendel (2) Mendeleev (3) Pavlov (4) Koch

Description : Laws of heredity was put forward by – (1) Mendel (2) Mendeleev (3) Pavlov (4) Koch

Last Answer : (1) Mendel Explanation: The laws of heredity were discovered by Gregor Mendel in about 1856- 1863. Mendel conducted experiments in plant hybridization, collecting the results of crossfertilizing hundreds of ... First Law, and the law of independent assortment, also known as Mendel's Second Law.

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

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.

Modern periodic law had been given by (1) Moseley (2) Mendeleev (3) Lother-Mayer (4) Lavoisier

Description : Modern periodic law had been given by (1) Moseley (2) Mendeleev (3) Lother-Mayer (4) Lavoisier

Last Answer : (1) Moseley Explanation: In 1913, H.G.J Moseley in England proved that the more fundamental properties of an element are its atomic number. Therefore he suggested that the basis of classification of elements should be atomic number.

Who proposed first atomic theory? (1) E. Rutherford (2) De Broglie (3) John Dalton (4) D. I. Mendeleev

Description : Who proposed first atomic theory? (1) E. Rutherford (2) De Broglie (3) John Dalton (4) D. I. Mendeleev

Last Answer : (3) John Dalton Explanation: Democritus first suggested the existence of the atom but it took almost two millennia before the atom was placed on a solid foothold as a fundamental chemical object by John Dalton (1766-1844).

The names of the scientists; Newlands; Mendeleev; and Meyer are associated with the development of?

Description : The names of the scientists; Newlands; Mendeleev; and Meyer are associated with the development of?

Last Answer : periodic table of contents

What was the basis for Mendeleev classi- fication of elements?

Description : What was the basis for Mendeleev classi- fication of elements?

Last Answer : Atomic weight

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

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

What are the important features of Mendeleev periodic table?

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

State Mendeleev Periodic Law.

Description : State Mendeleev Periodic Law.

Last Answer : Ans: The chemical and physical properties of the elements are periodic functions of their atomic masses.

Who created periodic table? A. Faraday B. Lavoisier C. Arrhenius D. Mendeleev (Answer)

Description : Who created periodic table? A. Faraday B. Lavoisier C. Arrhenius D. Mendeleev (Answer)

Last Answer : D. Mendeleev (Answer)

Dmitri Mendeleev created the what?

Description : Dmitri Mendeleev created the what?

Last Answer : Periodic table

Whose name is given to alkylmagnesium halides: w) Victor Grignard x) Daniel Rutherford y) Dmitri Mendeleev

Description : Whose name is given to alkylmagnesium halides: w) Victor Grignard x) Daniel Rutherford y) Dmitri Mendeleev

Last Answer : ANSWER: W -- VICTOR GRIGNARD

Mendeleev proposed the existence of an unknown element that he called eka-aluminum. The element is now called: w) magnesium x) silicon y) gallium z) germanium

Description : Mendeleev proposed the existence of an unknown element that he called eka-aluminum. The element is now called: w) magnesium x) silicon y) gallium z) germanium

Last Answer : ANSWER: C -- GALLIUM

Name the person who developed a table of elements which revealed regularities in elemental properties in 1869? w) Theodore Richards x) Antoine Lavoisier y) Dmitri Mendeleev z) Svante Arrhenius

Description : Name the person who developed a table of elements which revealed regularities in elemental properties in 1869? w) Theodore Richards x) Antoine Lavoisier y) Dmitri Mendeleev z) Svante Arrhenius

Last Answer : ANSWER: Y -- DMITRI MENDELEEV

Which of the following scientists was awarded the Nobel Prize in 1911 for the discovery of the radioactive elements, radium and polonium? w) John Dalton x) Dmitri Mendeleev y) Emil Fischer z) Marie Curie

Description : Which of the following scientists was awarded the Nobel Prize in 1911 for the discovery of the radioactive elements, radium and polonium? w) John Dalton x) Dmitri Mendeleev y) Emil Fischer z) Marie Curie

Last Answer : ANSWER: Z -- MARIE CURIE

Laws of heredity was put forward by (1) Mendel (2) Mendeleev (3) Pavlov (4) Koch

Description : Laws of heredity was put forward by (1) Mendel (2) Mendeleev (3) Pavlov (4) Koch

Last Answer : Mendel

Why do you think there has been no real serious academic inquiry into stupidity?

Description : Why do you think there has been no real serious academic inquiry into stupidity?

Last Answer : Research into it would be the first step on the path of ending both forms, the lack of knowledge and the lack of the ability to use knowledge. Both forms are essential for the ones in power to stay in power, so they want to keep people stupid.

At the final judgment, that great inquiry, how many pages will you rip from your diary?

Description : At the final judgment, that great inquiry, how many pages will you rip from your diary?

Last Answer : Oh, I've done my share of things that should be erased. But the way I look at it God knows me. He already knows the things I've done. Why should I all of a sudden panic & try to make things ... at the last moment? I think I'll be welcomed to him with open arms. I trust in his love & forgiveness.

In response to a research misconduct allegation what is the next main phase that takes place after the inquiry if there is sufficient evidence to proceed?

Description : In response to a research misconduct allegation what is the next main phase that takes place after the inquiry if there is sufficient evidence to proceed?

Last Answer : Feel Free to Answer

How sociology as a field of inquiry has evolved and progressed.?

Description : How sociology as a field of inquiry has evolved and progressed.?

Last Answer : Feel Free to Answer

What Scientific inquiry is a process through which scientific do what?

Description : What Scientific inquiry is a process through which scientific do what?

Last Answer : ask and answer questions

What changes did the U.S investigators recommend for sea travel once the inquiry into the Titanic's sinking was complete?

Description : What changes did the U.S investigators recommend for sea travel once the inquiry into the Titanic's sinking was complete?

Last Answer : All commercial vessels needed to carry enough lifeboats for all passengers and crew, ship radios couldn't be shut off at night, captains and crews needed to better heed ice warnings.

Members of the Union Public Service Commission can be removed by the– (1) Parliament after a resolution adopted with 2/3rds majority (2) President on a unani-mous recommendation from the Union Council of Ministers (3) President on the basis of an inquiry and report by the Supreme Court (4) President on recommendation from Central Administrative Tribunal

Description : Members of the Union Public Service Commission can be removed by the- (1) Parliament after a resolution adopted with 2/3rds majority (2) President on a unani-mous recommendation from ... an inquiry and report by the Supreme Court (4) President on recommendation from Central Administrative Tribunal

Last Answer : (3) President on the basis of an inquiry and report by the Supreme Court Explanation: Every member holds office for a term of six years or until he attains the age of sixty-five years, whichever ... in the opinion of the President unfit to continue in office by reason of infirmity of mind or body.

Which one among the following is not a fundamental duty of the citizen of India? (1) To develop scientific temper, humanism and the spirit of inquiry and reform (2) To safeguard public property and to abjure violence (3) To uphold and protect the sovereignty, unity and integrity of India (4) To practice family planning and to control population

Description : Which one among the following is not a fundamental duty of the citizen of India? (1) To develop scientific temper, humanism and the spirit of inquiry and reform (2) To safeguard public ... the sovereignty, unity and integrity of India (4) To practice family planning and to control population

Last Answer : (4) To practice family planning and to control population Explanation: To practise family planning and to control population, is not a fundamental duty of the citizen of India. The Fundamental ... child or ward was provided opportunities for education between the ages of six and fourteen years.

Which of following is not hearsay evidence? a) Statement of police that on basis of inquiry conducted by him that accused was not at home on night of incident b) Report of newspaper c) Report prepared on basis of information provided by officer

Description : Which of following is not hearsay evidence? a) Statement of police that on basis of inquiry conducted by him that accused was not  at home on night of incident b) Report of newspaper c) Report prepared on basis of information provided by officer

Last Answer : c) Report prepared on basis of information provided by officer

Evidence includes- a) All statements which the court permits or requires to be made before it by witnesses, in relation to matters of face under inquiry. b) All documents including electronic record produced for the inspection of the court c) Both the A & B d) None of these

Description : Evidence includes- a) All statements which the court permits or requires to be made before it by  witnesses, in relation to matters of face under inquiry. b) All documents including electronic record produced for the inspection of the court c) Both the A & B d) None of these

Last Answer : c) Both the A & B

Mark the correct option a) All statements which the court permits or requires to be made before it by witnesses, in relation to matters of fact under inquiry such statements are called oral evidence b) All documents including electronic records produced for the inspection of the court called as documentary evidence c) Both the A and B are correct d) Neither A nor B are correct.

Description : Mark the correct option a) All statements which the court permits or requires to be made before it by  witnesses, in relation to matters of fact under inquiry such statements are called  oral evidence b) ... documentary evidence c) Both the A and B are correct d) Neither A nor B are correct.

Last Answer : c) Both the A and B are correct

When a proclamation issued against absconded person fails to appear at the specified place and time a) The court may, after making such inquiry as it thinks fit. b) The court pronounce him a proclaimed offender and make a declaration to that effect. c) Both the A & B d) None of these

Description : When a proclamation issued against absconded person fails to appear at the  specified place and time  a) The court may, after making such inquiry as it thinks fit. b) The court pronounce him a proclaimed offender and make a declaration to that effect. c) Both the A & B d) None of these

Last Answer : c) Both the A & B

Inquiry is defined in………………..of Criminal Code procedure 1973 a) 2(q) b) 2(g) c) 2(e) d) 2(n)

Description : Inquiry is defined in………………..of Criminal Code procedure 1973 a) 2(q) b) 2(g) c) 2(e) d) 2(n)

Last Answer : b) 2(g)