26. At high temperatures these elements conduct electricity but at lower temperatures they do not conduct electricity. This makes them useful in electronic devices. What are these elements? explain answer

A semiconductor conducts electricity at high temperatures, but not at low temperatures. At high temperatures, metalloids act like metals and conduct electricity.

Explanation:

start using quizlet. it has every anwser

answer: i would say b.

explanation:

since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.