Periodic Classification of Elements

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Description: Periodic Classification of Elements - 1
Number of Questions: 10
Created by: Shardul Tyagi
Tags: Periodic Classification of Elements - 1 Divisibility Using Divisibility Rule Finding Missing Digits Based on Divisibility Periodic table

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An atom has electronic configuration 2, 8. To which of the following elements would it be chemically similar?

Which of the following statements is true about the Mendeleev’s periodic table?

In Mendeleev’s periodic table, atomic masses of the elements increase in a regular manner.
It was possible to predict the number of elements that could be discovered between two elements.
Existence of hydrogen as a diatomic molecule was explained by the Mendeleev’s periodic table.
Mendeleev used a Sanskrit numeral to name the undiscovered elements.

Which of the following elements is placed along with cobalt in the same slot in Mendeleev's periodic table?

Which of the following elements has the electronic configuration 2, 8, 8, 1?

In case of the triad containing the elements Ba, Ca and Sr, which of the following statements is correct?

The atomic mass of Ba is roughly the average of the atomic masses of the other two elements.
The atomic mass of Sr is roughly the average of the atomic masses of the other two elements.
The atomic mass of Ba is less than the average of the atomic masses of the other two elements.
The atomic mass of Sr is more than the average of the atomic masses of the other two elements.

Elements with which of the following electronic configurations will show periodicity in their properties?

Which of the following elements has the least number of shells in its atom?

Where is the element with electronic configuration 2, 8, 7 placed in the modern periodic table?

Which of the following is the correct electronic representation of aluminium?

Which of the following is correctly matched?


Group	Trivial name
1	Alkaline earth metals


Group	Trivial names
2	Alkali metals


Group	Trivial name
17	Halogens


Group	Trivial name
18	Transition metals

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