Return to Blog
Homepage
PCAT Chemical Processes – Elements as Electricity Conductors
- by
- Apr 19, 2018
- PCAT Question of the Day
Which of the following pure substances is a poor conductor of electricity?
A. Mercury
B. Lead
C. Aluminum
D. Iodine
Click for Explanation
D is correct. Metals are good conductors of electricity because their outer electrons can freely move between atoms. This movement of electrons is referred to as electrical current. Lead, mercury, and aluminum are all metals, while iodine is a nonmetal on the right side of the periodic table.
Related Post
Search the Blog
Free Consultation
Interested in our Online MCAT Course or one of our One-on-One MCAT Tutoring packages? Set up a free consultation with one of our experienced Academic Managers!
Schedule NowPopular Posts
-
-
-
-
-
MCAT Blog How to Review MCAT Full-Lengths
Free MCAT Practice Account
Need great MCAT practice?Get the most representative MCAT practice possible when you sign up for our free MCAT Account, which includes a half-length diagnostic exam and one of our full-length MCAT practice exams.
Learn More
Submit a Comment