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प्रश्न
Name the Russian chemist who said that the properties of elements are a periodic function of their atomic masses.
उत्तर
Dmitri Mendeleev was a Russian chemist who said that the properties of elements are a periodic function of their atomic masses.
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संबंधित प्रश्न
Use Mendeleev’s Periodic Table to predict the formulae for the oxides of the following elements:
K, C, Al, Si, Ba.
State any three demerits of Mendeleev’s periodic table.
(a) Write its electronic configuration and determine its valency.
(b) Is it more reactive or less reactive than Ca (atomic number 20)? Justify your answer giving reason.
(c) Is it a metal or a non-metal?
(d) Write the formula of its oxide.
Write the merits of Mendeleev’s periodic table.
Use Mendeleev's Periodic Table to predict the formula of oxides of potassium, aluminum, and barium.
Which group of elements was missing from Mendeleev's original periodic table?
Answer the following question:
Name two elements having a single electron in their outermost shell.
The total number of electrons present in the first twenty elements of the periodic table is ______
Which group of elements could be placed in Mendeléev's Periodic Table without disturbing the original order? Give reason.
State Mendeleev’s Law of Periodicity.
