Which statement best describes semi-conductors: A) Lack free electrons that can move to other atoms
B) Electrons within their atoms are paired
C) Most electrons within atoms are paired
D) Electricity can flow through it under special conditions

d. electricity can floe through it under special conditions

Explanation:

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hello, i am papaguy.

i have found an answer to your question but use it as information.

information: because weak acids/bases have low concentration of hydrogen ions, the addition of water has a large impact on the ph. 2. a difference in 1 unit is a 10x difference in concentration for example; a liquid with ph of 3 is 10x more acidic than a liquid with a ph of 4. therefore, a liquid with a ph of 3 is stronger.

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