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- @PlaySoundFile ADB20_01.wav
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- @AtGraphic 259,72
- @Picture ADB20_01.bmp
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- @At 135,25
- When you write a formula for a compound you must take account
- of the bonding of the compound.
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- @Prompt
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- @PlaySoundFile ADB20_02.wav
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- @At 138,79
- Use the bonding machine to show how sodium chloride is
- bonded.
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- '@Answer NaCl
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- '@Feedback Wrong
- '#bNo#b, the sodium donates its spare electron to the chlorine atom.
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- '@Animation BoseGrim
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- '@Feedback Correct
- '#bYes#b, the sodium donates its spare electron to the chlorine atom.
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- '@Animation BoseSmile
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- @Prompt
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- @At 131,276
- There is only one electron spare in the sodium atom to be
- donated to the chlorine.
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- @At 133,334
- This means that the compound sodium chloride has only one
- sodium atom and one chlorine atom. The formula is therefore
- NaCl
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