Chemical Bonging

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Chemical Bonging by Mind Map: Chemical Bonging

1. Ionic Bond

1.1. compound made up of Metals+Non-metals

1.1.1. atom lose/gain electron to achieve the octet electronic arrangement

1.1.1.1. become ion which carries a +ve/-ve charge

1.1.1.2. Cation (lose electron)->positive charge

1.1.1.3. Anion (gain electron)->negative charge

1.2. transfer of electron from metals atoms to non-metals atom

1.3. electrostatic attraction between cations and anion in an ionic compound

2. Covalent Bond

2.1. in Non-metals / compounds made up of only Non-metals

2.2. share of electrons between atoms of non-metals

2.2.1. single bond

2.2.1.1. - 1 pair of electrons

2.2.2. double bond

2.2.2.1. = 2 pairs of electrons

2.2.3. triple bond

2.2.3.1. 三 3 pairs of electrons

2.2.4. single<double<triple

2.3. the electrostatic attraction between the shared electrons and the nuclei of the bonded atoms

3. Metallic Bong

3.1. only in Metals

3.1.1. atoms gives up its electron(s) in the outermost shell-->a cation

3.1.1.1. electrons become delocalized-->forming an electron sea

3.2. the electrostatic attraction between the metal ions and the delocalized electrons