Question

Compare the characteristics of 4d orbitals and 3d orbitals and compared the following sentences. Check all that apply

4d orbitals would __________ than 3d orbitals

a. be a closer to the nucleus
b. be larger in size
c. hold more elections
d.have different shapes
e.have more nodes

Answer 1

Answer :

(b) 4d orbitals would be larger in size than 3d orbitals

(e) 4d orbitals would have more nodes than 3d orbitals

Explanation :

As we move away from one orbital to another, the distance between nucleus and orbital increases. So, 4d orbitals would be far to the nucleus than 3d orbitals.

Hence, 4d orbitals would be larger in size than 3d orbitals.

Number of nodes is any orbital is n - 1 where, n is principal quantum number.

So, number of orbital in 4d is 3.

And number of orbital in 3d is 2.

So, options (b) and (e) are correct.

Answer 2

Answer:

The $4d$ orbitals wolud be larger in size and have more nodes than $3d$ orbitals.

Explanation:

Given: $4d$ orbitals would __________ than $3d$ orbitals.

Since, the distance between nucleus and orbital increases when we electrons moves away fro m one orbital to another orbital.

So, The $4d$ orbitals is far from the nucleus as compared with $3d$ orbitals.

Therefore, The $4d$ orbitals wolud be larger in size than $3d$ orbitals.

Now, finding the number of nodes of an orbital is calculated as $n-1\; \rm\{{where}, n \;is\; priniciple \; quantum \;number\}$

Then, number of orbital in $4d\;\;\rm{is}\; 4-1=3$.

And number of orbital in $3d\;\;\rm{is}\; 3-1=2$.

Therefore, $4d$ orbitals wolud have more nodes than $3d$ orbitals.

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