NEETChemistryp Block Elements (Group 13 & 14)
What happens to the overall structure of silicon dioxide when aluminum atoms replace some silicon atoms?
Options
- AThe structure becomes positively charged.
- BThe structure becomes neutral.
- CThe structure acquires a negative charge.
- DThe structure becomes metallic.
Correct answer
C. The structure acquires a negative charge.
Step-by-step solution
When aluminum atoms replace silicon atoms in silicon dioxide, the overall structure acquires a negative charge.