Question

What are the elements present in the middle portion of the modern periodic table called?

Answer 1

Answer:

transition elements

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Answer 2

Answer:

The elements which are present in “the middle portion” of ‘modern periodic table’ is known as “Transition elements.”

Explanation:

• The transition metals are most of the elements on the Periodic Table. All of these have d sublevel orbitals partly filled.
• Also known as d block elements. The transition elements are all metals.

• The differentiated electrons are enter into the d- sub level.
• These form an ions with stable oxidation states.
• The ‘properties of these elements’ are in between “s and p” block elements.