Question

Among the following, the group which represents a collection of iso electronic species is (atomic number of Cs=55Cs=55 andBr=35Br=35 )​

Answer 1

Answer:

N³–, F–, Na+

Explanation:

I HOPE IT'S HELPFUL FOR YOU

Answer 2

Question is: Among the following, the group which represents a collection of iso electronic species is ( Atomic number of Cs = 55 and Br = 35 ). The following options are:

1. Na+ , Ca²+ , Mg²+
2. N³– , F– , Na+
3. Be , Al³+ , Cl–
4. Ca²+ , Cs+ , Br

Ans: Option 2. ( Look in the above attachment - ii )

1. What is iso-electronic species ?

Ans: A series of atom, ions and molecules in which each species contains the same number of electrons but different nuclear charge.

2. Note for knowing atom's electrons.

Ans: The element's atomic number = signifies the element 's total electron in an atom.

●. Look in the above attachment for getting how option ( ii ) became the answer of this question. Thank You for learning in brainly with us. Hope to see you again. ^_^ on next Answer.

If you find the answer helpful to you, Then Plz Mark As Brainliest on my answer. It will be credit for me. ♡´･ᴗ･`♡