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What are merits and de merits of Mendeleev's periodic table?

Author

Jessica Hardy

Updated on February 19, 2026

What are merits and de merits of Mendeleev's periodic table?

He named them Eka-Boron, Eka-Aluminium and Eka-silicone He also predicted the properties of these undiscovered elements including atomic masses. These elements were discovered as Sc ,Ga and Ge with same features as he predicted. 4. Mendeleev's arrangement helped to correct atomic masses of a number of elements.

Likewise, people ask, what are merits and de merits of Mendeleev's periodic table?

He named them Eka-Boron, Eka-Aluminium and Eka-silicone He also predicted the properties of these undiscovered elements including atomic masses. These elements were discovered as Sc ,Ga and Ge with same features as he predicted. 4. Mendeleev's arrangement helped to correct atomic masses of a number of elements.

Also Know, what are the merits and demerits of periodic table? 3. It explains the periodicity of the properties of the elements and relates them to their electronic configurations. 4. The position of the elements that were misfits on the basis of mass number (anomalous pairs like argon and potassium) could be justified on the basis of atomic number.

Keeping this in consideration, what were the advantages of Mendeleev's periodic table?

  • Mendeleev was the first one to establish a systematic arrangement and bring out the periodicity of properties of elements with atomic weight and propose a periodic law.
  • It could point out the incorrect atomic weight of some elements known at that time.

What are the merits and demerits?

MERITSDEMERITS
The receiver used is very cheapAudio clarity is poor
Reception of multiple signals on the same channelHigh bandwidth is required which is equivalent to that of highest audio frequency

What are the advantages of his 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 the uses of periodic table?

Scientists use the periodic table to quickly refer to information about an element, like atomic mass and chemical symbol. The periodic table's arrangement also allows scientists to discern trends in element properties, including electronegativity, ionization energy, and atomic radius.

What are the limitations of modern periodic table?

Lanthanides and Actinides kept separately under the table not kept within the Modern periodic table. i) It could not provide a proper plzcement of hydrogen. ii) no place to isotopes of various elements is given.

What is periodic table explain?

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 three merits of Mendeleev's periodic table?

What are the merits of mendeleev's periodic table?
  • Answer:
  • i) Give more weight to similarities in properties than to atomic mass in the arrangement.
  • ii) Correction of atomic mass.
  • iii) Prediction of new elements.
  • iv) Noble gases were discovered much later.

What are the advantages of periodic change?

Advantages are: The periodic table has made the study of chemistry systematic and easy. 2 It is easier to rember the properties of an element if its position in the periodic table is known.

What were the limitations of Newlands classification?

The major limitations were: It applied to only lighter elements having atomic masses up to 40 u, i.e., up to calcium. The first and eighth elements after calcium did not have the same properties. Only 63 elements were considered to exist in nature, and no new elements would be discovered in the future.

What is the other name of merits and demerits?

In this page you can discover 12 synonyms, antonyms, idiomatic expressions, and related words for demerit, like: fault, bad mark, loss of credit, mark against one, loss of points, loss of distinction, merit, defect, punishment, and doyley.

What are the merits and demerits of dams?

List of the Disadvantages of Dams
  • Dams can displace a significant number of people.
  • Reservoirs behind a dam can lead to higher greenhouse gas emissions.
  • This technology disrupts local ecosystems.
  • Some river sediment is beneficial.
  • Dams create a flooding risk if they experience a failure.

What are the merits and demerits of Privatisation?

Advantages & Disadvantages of Privatization
  • Advantage: Increased Competition.
  • Advantage: Immunity From Political Influence.
  • Advantage: Tax Reductions and Job Creation.
  • Disadvantage: Less Transparency.
  • Disadvantage: Inflexibility.
  • Disadvantage: Higher Costs to Consumers.
  • Privatization Pros and Cons at a Glance.

What are the merits and demerits of observation?

Observation Method of Data Collection: Advantages, Disadvantages, Techniques, Types
  • Directness. The main advantage of observation is its directness.
  • Natural environment.
  • Longitudinal analysis.
  • Non-verbal behavior.
  • Lack of control.
  • Difficulties in quantification.
  • Smallness in sample size.
  • No opportunity to learn past.

What is observation method and its merits and demerits?

All data must originate in some experience or perception. As a scientific tool, it may range from the most casual to the most scientific, involving modern mechanical and electronic means. Data collected through observation will be more reliable than data collected by any other method.

What are the merits of mode?

Merits of Mode:
  • Mode is the most representative value of distribution, it is useful to calculate model wage.
  • It is not affected by the extreme items in the series.
  • It can be determined graphically.
  • For open-ended classes, Mode can be calculated.
  • It can be located by inspection.

What is the merits and demerits of mobile phones?

It is cause of waste the energy, during use of cell all the parts of human body are spending energy on it, like; eyes, hands and mind etc. Mobile Phone can be cause of skin diseases especially hand skin, cancer and eye problems etc. And a lot of other diseases can be effect the body by its high usage.