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Periodic Table: d-block and f-block Elements

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Periodic Table: d-block and f-block Elements

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Questions and Answers

What is the primary reason why transition elements are studied separately from non-transition elements?

They have fully filled d or f orbitals in their atoms

They have only s orbitals in their atoms

They have partly filled d or f orbitals in their atoms (correct)

They have no d or f orbitals in their atoms

Which of the following metals does not belong to the transition metals series?

Copper

Titanium

Lithium (correct)

Silver

What is the general electronic configuration of the outer orbitals of transition elements?

(n-1)d1-10ns1-2 (correct)

(n-1)d0-10ns1-2

(n-1)d5-10ns1-2

(n-1)d10ns1-2

Why do half and completely filled sets of orbitals tend to be more stable?

Due to a small energy difference between (n-1)d and ns orbitals Signup and view all the answers

What is the exception to the general electronic configuration of transition elements?

All of the above Signup and view all the answers

Which series of transition elements are represented in Table 8.1?

All four series: 3d, 4d, 5d, and 6d Signup and view all the answers

What is the main characteristic of the elements in the d-block of the periodic table?

Progressive filling of d orbitals Signup and view all the answers

Which series of elements is also known as lanthanoids?

4f series Signup and view all the answers

What is the definition of transition metals according to IUPAC?

Metals with incomplete d subshell Signup and view all the answers

Why are zinc, cadmium, and mercury not regarded as transition metals?

They have full d10 configuration Signup and view all the answers

Where are the f-block elements placed in the periodic table?

In a separate panel at the bottom Signup and view all the answers

What is the original reason behind the name 'transition metals'?

Their chemical properties were transitional between those of s and p-block elements Signup and view all the answers