Advertisements
Advertisements
प्रश्न
Which group of elements was missing from Mendeleev's original periodic table?
उत्तर
Group zero elements, also known as noble gases or inert gases, were missing from Mendeleev's periodic table because they had not been discovered at that time.
APPEARS IN
संबंधित प्रश्न
What are the main features of Mendeleev’s periodic table?
Name three elements with filled outermost shells.
Helium is an unreactive gas and neon is a gas of extremely low reactivity. What, if anything, do their atoms have in common?
Use Mendeleev's Periodic Table to predict the formula of hydrides of carbon and silicon.
According to Mendeleev’s periodic law properties of elements are ______.
While designing the periodic table, Mendeleev considered the chemical and physical properties of the elements.
State Mendeleev’s Periodic Law.
On which basis Mendeleev organised periodic law?
What physical and chemical properties of elements did Mendeleev consider in compiling the periodic table?
In Mendeléev’s Periodic Table the elements were arranged in the increasing order of their atomic masses. However, cobalt with atomic mass of 58.93 amu was placed before nickel having an atomic mass of 58.71 amu. Give reason for the same.
