Which example is most likely made from both metals and gemstones? necklace
soda can
window frame
kitchen utensil

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

What is the molecular weight of copper

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.