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Use Mendeléev’s Periodic Table to predic...

Use Mendeléev’s Periodic Table to predict the formulae for the oxides of the following elements:
K, C, AI, Si, Ba.

Text Solution

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K is in group 1. Therefore, the oxide will be `K_(2) O`.
C is in group 4. Therefore, the oxide will be `CO_2`.
Al is in group 3. Therefore, the oxide will be `AI_(2) O_(3)`.
Si is in group 4. Therefore, the oxide will be `SiO_(2)`.
Ba is in group 2. Therefore, the oxide will be BaO.
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