covalent bonds
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Covalent Bonds
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Covalent bonds form between non-metal atoms that SHARE electrons. Doing so helps them achieve a stable outer electron shell.
Covalent bonds are stronger than ionic bonds. Each atom pulls at the others’ electrons.
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Polar covalent bonds occur when the two atoms are different. The atoms with more protons has a stronger pull on the electrons, so that atoms becomes partially negative.
As a result, the atom with a weaker pull becomes partially positive.
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Naming Covalent Compounds
Prefix• Mono- 1• Di- 2• Tri- 3• Tetra- 4• Penta- 5• Hexa- 6• Hepta- 7• Octa- 8• Nona- 9• Deca- 10
• First element in the formula is named first using prefix
• Second element follows using # prefix AND suffix ‘-ide’
• Mono is not used for the first element
• Example• N2O
– Dinitrogen Monoxide
• N2O5
– Dinitrogen Pentoxide