Question 251
Which of the following is a characteristic property of the f-block elements that directly results from the filling of f orbitals?
Question 252
How many complete series of transition elements are recognized based on d-orbital filling?
Question 253
What property of silver bromide (AgBr) makes it crucial for traditional black-and-white photography?
Question 254
What is the main industrial source of the ore used to prepare potassium permanganate?
Question 255
Which factor primarily contributes to the variable oxidation states exhibited by transition elements?