5196964
Description
Flashcards by Bee Brittain, updated more than 1 year ago
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Created by Bee Brittain
almost 10 years ago
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| Question | Answer |
| Define the term 'Covalent Bond' | the strong electrostatic attraction between a shared pair of electrons and the nuclei of the bonded atoms |
| Where does covalent bonding occur? | Covalent bonding occurs between compounds of non-metallic elements such as H2O or CO2 |
| Single Covalent Bonding | Single covalent bonding is where there is a single bond between the atoms as only one pair of electrons is shared |
| Multiple Covalent Bonding | Multiple covalent bond means there is more than one electron pair shared between the atoms. So a double bond has 2 shared electron pairs, and a triple bond has 3 electron pairs. E.g/ O2 has a double bond and N2 has a triple bond |
| How many bonds does N form? | 3 |
| How many bonds does H form? | 1 |
| How many bonds does C form? | 4 |
| How many bonds does O form? | 2 |
| Dative Covalent Bond / Coordinate Covalent Bond | A shared pair of electrons which has been provided by one of the bonding atoms only. |
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