Tellurium is a silvery-white, brittle element. its electrical conductivity varies,
but increases slightly with exposure to sunlight.
this element belongs to which region of the periodic table of the elements?
oa) metals
ob) metalloids
oc) nonmetals
od) noble gases

Ionic compounds are made of ions, and yet the overall charge of an ionic compound is neutral. why?

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?