Among the f-block elements
X : Atomic Number of element that has 4f⁷ electronic configuration in the trivalent state.
Y : Atomic Number of element that has 5f⁷ electronic configuration in the trivalent state
Among the f-block elements:
Find $\frac{Y - X}{4}$ .

Question

Among the f-block elements

X : Atomic Number of element that has 4f⁷ electronic configuration in the trivalent state.

Y : Atomic Number of element that has 5f⁷ electronic configuration in the trivalent state

Among the f-block elements:

Find $\frac{Y - X}{4}$ .

TestHub · Accepted Answer

X = Gd Atomic No = 64 Y = Cm Atomic No = 96

Chemistry - f-block Question with Solution | TestHub