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

Who invented the modern Periodic table? (1) Faraday (2) Mendeleev (3) Newton (4) Bohr
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(2) Mendeleev Explanation: Dmitri Mendeleev was a Russian chemist who developed the periodic classification of the elements in 1869 A.D.
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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)

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.

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.

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

Who developed the model of atomic structure? (1) Bohr and Rutherford (2) Volta (3) Alfred Nobel (4) Faraday

Description : Who developed the model of atomic structure? (1) Bohr and Rutherford (2) Volta (3) Alfred Nobel (4) Faraday

Last Answer : (1) Bohr and Rutherford Explanation: In 1911 Ernest Rutherford used experimental evidence to show that an atom must contain a central nucleus. Niels Bohr further developed Rutherford's nuclear atom ... support the idea that electrons occupy particular orbits or shells around the nucleus of an atom.

My theory of electrolytic dissociation earned me t 1903 Nobel Prize in chemistry. My name is: w) Niels Bohr x) Svante Arrhenius y) Michael Faraday z) John Cavendish

Description : My theory of electrolytic dissociation earned me t 1903 Nobel Prize in chemistry. My name is: w) Niels Bohr x) Svante Arrhenius y) Michael Faraday z) John Cavendish

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Who developed the model of atomic structure ? (1) Bohr and Rutherford (2) Volta (3) Alfred Nobel (4) Faraday

Description : Who developed the model of atomic structure ? (1) Bohr and Rutherford (2) Volta (3) Alfred Nobel (4) Faraday

Last Answer : Bohr and Rutherford

(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.

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.

How Mendeleev organized his periodic table?

Description : How Mendeleev organized his periodic table?

Last Answer : By the increasing Atomic Mass.

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 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 elements in this periodic table?

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

Last Answer : Feel Free to Answer

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.

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)

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

Who discovered electrons? (1) Rutherford (2) Niels Bohr (3) JJ Thomson (4) Newton

Description : Who discovered electrons? (1) Rutherford (2) Niels Bohr (3) JJ Thomson (4) Newton

Last Answer : (3) JJ Thomson Explanation: JJ Thomson, while performing cathode ray experiment found that the cathode ray is made up of very small negatively charged particles to which he termed as electrons.

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.

The quantum theory of light was given by – (1) Einstein (2) Plank (3) Newton (4) Faraday

Description : The quantum theory of light was given by – (1) Einstein (2) Plank (3) Newton (4) Faraday

Last Answer : (2) Plank Explanation: The Quantum theory of light was first discovered by Max Planck. In 1900, Planck, attempting to explain body radiation suggested that although light was a wave.

Who defined the law of gravitation? (1) Newton (2) Archimedes (3) Galileo (4) Faraday

Description : Who defined the law of gravitation? (1) Newton (2) Archimedes (3) Galileo (4) Faraday

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Electromagnetic radiation theory was profounded by ______. A. Sir Edward Appleton B. Sir Isaac Newton C. James Clerk Maxwell D. Michael Faraday

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Last Answer : C. James Clerk Maxwell

The concept of electric field theory was introduced by: (a) Kepler (b) Newton (c) Dalton (d) Michael Faraday

Description : The concept of electric field theory was introduced by: (a) Kepler (b) Newton (c) Dalton (d) Michael Faraday

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Who defined the law of gravitation ? (1) Newton (2) Archimedes (3) Galileo (4) Faraday

Description : Who defined the law of gravitation ? (1) Newton (2) Archimedes (3) Galileo (4) Faraday 

Last Answer : Newton

What is the main basis of modern periodic table ?

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

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

Explain the Modern Periodic Law , also define salient features of modern 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.

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

Battery was invented by-----? A. Nicolas Léonard Sadi Carnot B. Alessandro Volta (Answer) C. Michael Faraday D. Friedrich Bessel

Description : Battery was invented by-----? A. Nicolas Léonard Sadi Carnot B. Alessandro Volta (Answer) C. Michael Faraday D. Friedrich Bessel

Last Answer : B. Alessandro Volta (Answer)

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Description : Who invented the battery? (1) Roentgen (2) Volta (3) Faraday (4) Maxwell

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The computer was invented by (1) Faraday (2) Maxwell (3) Babbage (4) Bill Gates

Description : The computer was invented by (1) Faraday (2) Maxwell (3) Babbage (4) Bill Gates

Last Answer : Babbage

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Description : Who invented the Jet Engine? (1) Karl Benz (2) Sir Frank Whittle (3) Thomas Savery (4) Michael Faraday

Last Answer : Sir Frank Whittle

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

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

Last Answer : answer:

Who is the father of modern periodic table ?

Description : Who is the father of modern periodic table ?

Last Answer : Mendeleev, the father of the modern periodic table.

Hydrogen occupies a unique position in Modern Periodic Table". Justify the statement.

Description : Hydrogen occupies a unique position in Modern Periodic Table". Justify the statement.

Last Answer : Hydrogen occupies a unique position in Modern Periodic Table". Justify the statement.

How many horizontal rows and vertical columns are present in the modern periodic table?

Description : How many horizontal rows and vertical columns are present in the modern periodic table?

Last Answer : How many horizontal rows and vertical columns are present in the modern periodic table?

In modern periodic table, the period number indicates the :

Description : In modern periodic table, the period number indicates the :

Last Answer : In modern periodic table, the period number indicates the : a. atomic number b. atomic ... . principal quantum number d. azimuthal quantum number

In which group of elements of the modern periodic table are halogen placed ?

Description : In which group of elements of the modern periodic table are halogen placed ?

Last Answer : In which group of elements of the modern periodic table are halogen placed? a. 17 b. 6 c. 4 d. 2

Iron which resembles Cobalt and Nickel in properties has been placed far away from these elements. This was one of the limitations of : (1) Modern periodic table (2) Newland's law of octaves (3) Dobereiner's triads (4) Mendeleev's periodic table

Description : Iron which resembles Cobalt and Nickel in properties has been placed far away from these elements. This was one of the limitations of : (1) Modern periodic table (2) Newland's law of octaves (3) Dobereiner's triads (4) Mendeleev's periodic table

Last Answer : (2) Newland's law of octaves Explanation: Among the major limitations of Newlands Law of Octaves, some similar elements have been separated from one another while some dissimilar elements have been placed in the same column.

Which is the basis of modern periodic table?

Description : Which is the basis of modern periodic table?

Last Answer : Atomic number

Where are the smallest atoms seen at the modern periodic table?

Description : Where are the smallest atoms seen at the modern periodic table?

Last Answer : Right hand top

Modern periodic table was developed by?

Description : Modern periodic table was developed by?

Last Answer : Henry Moseley

Modern periodic table was discovered by?

Description : Modern periodic table was discovered by?

Last Answer : Henry Moseley

Modern periodic table contains?

Description : Modern periodic table contains?

Last Answer : 7 horizontal rows and 18 vertical columns

The modern periodic table is based on?

Description : The modern periodic table is based on?

Last Answer : atomic number

In the modern periodic table, the elements are arranged in the ascending order of their

Description : In the modern periodic table, the elements are arranged in the ascending order of their

Last Answer : atomic number.

The modern periodic table was adopted by IUPAC in

Description : The modern periodic table was adopted by IUPAC in

Last Answer : 1984.

How does the electronic configuration of an atom relate to its position in the modern periodic table?

Description : How does the electronic configuration of an atom relate to its position in the modern periodic table?

Last Answer : The group number of elements having up to two valence electrons is equal to the number of valence electrons. For example: Group 1 elements have 1 valence electron. Group 2 elements have 2 valence electrons. Group 13 elements have 3 valence electrons.

List the short period, long period and incomplete periods in the modern periodic table

Description : List the short period, long period and incomplete periods in the modern periodic table

Last Answer : Periodnumber 1st 2 nd Description Veryshort 8 elements (Li to Ne) Long 18 elements (K to Kr) Very long 32 elements (Cs to Rn) Short 5 Long 4 th 6 th 7th 2 (H & He) Short ... of elements incomplete 8 elements ( Na to Ar) 18 elements (Rb to Xe) Rest of the elements (Fr onwards)