
Periodic Classification of Elements Quiz 2
Answer these simple questions correctly and earn coins
Popular Questions In Periodic Classification of Elements Quiz 2
Number of elements discovered to till date.
…………. defined an element as any substance that cannot be decomposed into further simple substance by physical or chemical change.
Lithium, …………………… and Potassium constitute a Dobereiner's triad
Louis Proust stated that……………….. atom is the building material.
Group of three elements with similar chemical properties is called …………….
Dobereiner triad is based on
According to this every 8th element has similar properties starting from a, given element
Newlands’ periodic table was restricted to …………….. elements.
The number of periods and groups in Mendeleeff’s periodic table is
Mendeleeff’s periodic table is based on
Atomic weight = ……………….. x equivalent weight
Element with atomic number 101 is
Example for anomalous pair
The number of positive charges (protons) in the atom of an element is called………
The atomic weight of a bivalent element is 9. The equivalent weight of same element is