Which element is a metal?
A. Ba
B. I
C. O
D. S

Which of the following is an example of how telecommunication devices people do their jobs? a.) a security guard checks the time using a digital watch. b.) a banker does some quick math using a solar calculator. c.) a nurse uses a digital thermometer to take a patient’s temperature. d.) a construction worker reports in to his office using a cell phone.

Simplfiy 13500/3456 in fraction from

How many more valence electrons does sodium need to have a full outer valence shell