The bond between atoms of two elements having atomic numbers 37 and 53 is:
Correct answer: A. Electrovalent
- A. Electrovalent
- B. Hydrogen
- C. Co-ordinate
- D. Covalent
Explanation
Electronic configuration of atom with atomic no. 37 is:1s22s22p63s23p64s23d104p65s1or [Kr]5s1Electronic configuration of atom with atomic no. 53 is:1s22s22p63s23p64s23d104p65s24d105p5or [Kr] 5s24d105p5The atom with atomic no. 53 needs 1 electron to complete its shell while the one with atomic no. 37 has 1 electron in its outermost shell. The latter can lose this electron to form a cation. This electron will be gained by the former to form an anion. In this way, an ionic or electrovalent bond will be formed between the two atoms.
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Chemical bonding explains molecular shape through VSEPR theory and distinguishes sigma bonds from pi bonds. Questions involve hybridization, bond angles, dipole moment and bond energy, including how electron-pair repulsion determines geometry and how bond polarity differs from the overall polarity of a molecule.
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