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Periodicity in the Periodic Table

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Questions and Answers

What is the primary purpose of periodicity in the periodic table?

To arrange elements in a chronological order

To identify the relationships between elements

To classify elements based on their chemical properties

To predict the physical and chemical properties of elements (correct)

What is the periodic law primarily based on?

Valence electrons of elements

Atomic number of elements (correct)

Atomic mass of elements

Electron configuration of elements

What is the arrangement of elements in the periodic table based on?

Increasing atomic mass

Valence electrons of elements

Similar chemical properties (correct)

Decreasing atomic number

What is the importance of the periodic law in research?

All of the above Signup and view all the answers

How many periods are there in the periodic table?

Seven Signup and view all the answers

What can be predicted using the periodic law?

Existence of undiscovered elements Signup and view all the answers

What is the primary way in which elements are organized in the periodic table?

By increasing atomic number Signup and view all the answers

What determines the electron configuration and type of sub shell being filled in an element?

The position of an element in the periodic table Signup and view all the answers

What is the term for the elements in the d-block of the periodic table?

Transition metals Signup and view all the answers

What is the term for the 14 radioactive elements at the bottom of the periodic table?

Actinide Signup and view all the answers

What is the significance of the atomic number of an element?

It represents the number of protons in the nucleus of an atom Signup and view all the answers

What is the purpose of the periodic table?

To provide a visual representation of the relationships among elements Signup and view all the answers