Through this activity, the students were able to understand Mendeleev's periodic law.
From the desmoinesregister.com
In 1866 John Alexander Reina Newlands, presented a paper that first proposed a periodic law.
From the en.wikipedia.org
These weights were an important pre-requisite for the discovery of the periodic law by Dmitri Mendeleev and Lothar Meyer.
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Thus, Dmitri Mendeleev's periodic law could not assign a correct position to hydrogen in the periodic table.
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As predicted by periodic law, its chemical properties are therefore intermediate between those two elements.
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The table itself is a visual representation of the periodic law which states that certain properties of elements repeat periodically when arranged by atomic number.
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There has been periodic discussion about amending the law to make these sales taxable.
From the en.wikipedia.org
Based on this law, in 1869Dmitry Mendeleyev composed the periodic table of elements.
From the en.wikipedia.org
This law has been the subject of periodic controversy since its inception.