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What type of bonds are present in the following molecules? Draw their electron-dot structures.
What type of bonds are present in the following molecules? Draw their electron-dot structures.
CBSE | Chemistry | Class 10 | Exercise 1 | Lakhmir Singh | Metals and Non Metals
What type of bonds are present in the following molecules? Draw their electron-dot structures.

(i) H2 (ii) CH4

Solution: The given compounds include covalent bonds.

(i) H2 : The hydrogen molecule is the most basic covalently bound material. It is made up of two hydrogen atoms, each of which has a single electron in the 1s orbital. The two electrons in the covalent link are shared by both hydrogen atoms, and each develops a helium-like electron configuration.

(ii) CH4 : Carbon shares a total of 4 electrons, 1 with each hydrogen and all 4 hydrogen share their 1 electron each with carbon. Hence, covalent bonding is present in the methane molecule.

i

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