Given below are two statements :
Statement $(I):$ According to the Law of Octaves,the elements were arranged in the increasing order of their atomic number.
Statement $(II) :$ Meyer observed a periodically repeated pattern upon plotting physical properties of certain elements against their respective atomic numbers.
In the light of the above statements,choose the correct answer from the options given below :

  • A
    Statement $I$ is false but Statement $II$ is true
  • B
    Both Statement $I$ and Statement $II$ are true
  • C
    Statement $I$ is true but Statement $II$ is false
  • D
    Both Statement $I$ and Statement $II$ are false

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"The properties of the elements are a periodic function of their atomic numbers." This statement was given by:

Describe Mendeleev's periodic table.

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Match the following and select the correct option.
List-$I$ List-$II$
$(1)$ Lothar Meyer $(A)$ First to present a periodic table showing correct arrangement up to Calcium.
$(2)$ $A$.$E$.$B$. de Chancourtois $(B)$ Arranged elements in horizontal and vertical rows based on atomic weight.
$(3)$ Newlands $(C)$ Discovered the element with atomic number $101$.
$(4)$ Seaborg $(D)$ Suggested that arrangement based on atomic weight is an important concept in the periodic table.
$(E)$ Presented the first possible periodic table.
$(F)$ Arranged elements into groups of three.
$(G)$ Law of Octaves.

Which elements were at the peaks of the Lothar Meyer curve?

The element or elements whose position is anomalous in the periodic table is

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