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Atomic Structure and Chemical Bonding — CHEMISTRY STD 9 — Question

ICSE BoardEnglish MediumSTD 9CHEMISTRYAtomic Structure and Chemical Bonding2 Marks
Question
An element A has 1 electron in its first shell. It combines with element B having 7 electrons in its third shell. What type of bond is formed?
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Answer

Element A with 1 electron in its first shell is hydrogen, and element B with 7 electrons in its third shell is chlorine.
So, a single covalent bond is formed between hydrogen and chlorine by sharing one pair of electrons.

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