Science - Teachers Sri Lanka
Science - Teachers Sri Lanka
Science - Teachers Sri Lanka
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²<br />
²<br />
O ² + × O<br />
×× →<br />
²<br />
O ×<br />
²<br />
×<br />
O<br />
××<br />
² ²<br />
×<br />
Two Oxygen atoms Oxygen Molecule (O 2<br />
)<br />
Outer most shell has six electrons.<br />
Two electrons pair keep share.In order to<br />
obtain of full outer energy level and gain the<br />
electron configuration of nobel gas Neon<br />
²<br />
²<br />
××<br />
²<br />
²<br />
×<br />
N ² + × N × →<br />
² N × N<br />
²<br />
×<br />
×<br />
²<br />
Two Nitrogen atoms<br />
Outer most shell has five electrons<br />
×<br />
²<br />
²<br />
²<br />
×<br />
×<br />
Nitrogen molecule<br />
(N 2<br />
)<br />
Three electron pain keep share. In order to<br />
obtain of full outer energy level and gain the<br />
electron configuration of nobel gas Neon<br />
Similarly stucture of water molecule can be shown as follows.<br />
××<br />
²<br />
H<br />
× ×<br />
²<br />
H<br />
×<br />
×<br />
×<br />
×<br />
²<br />
H<br />
→<br />
×<br />
×<br />
×<br />
×<br />
²<br />
H<br />
Oxygen atom Two Hydrogen atoms Water molecule ^H 2<br />
O&