Question

The element with atomic numbers '55' can from strong ionic bond with element having atomic number?
A. 6
B. 9
C. 35
D. 17​

Answer 1

Answer:

Option C

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Answer 2

The element with atomic number 55 will make the strongest bond with the element of atomic number 35. (Option C is the right answer)

• Electronic configuration of atomic number 35 → [Ar] 4s² 3d¹⁰ 4p⁵
• Electronic configuration of atomic number 55 → [Xe] 6s1
• 55 Atomic Number is of Cesium which is an alkali metal, while Bromine has the atomic number 35 and it is a halogen.
• Caesium Bromide will have a stronger bond than Caesium Fluoride (Atomic Number - 9) and Caesium Chloride (Atomic Number - 17).
• It is a white compound (sometimes transparent) which gets dissolved in the water very easily.

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