Mixture. Distilled Water may be a pure substance, however, there are many minerals and such that are in tap water, making it a mixture.
Q1. TI (210/81Thallium)
Q2.
The answers are opposite from each other
Answer:
120 V usually but its not given in the option so 110 V
There appears to be no table shown, but I can still answer. Aluminum has 3 valence electrons