Is it true that protons, neutrons and electrons differ from each other based on their locations in an atom but they have the same electrical changes

The chemical formula for emerald is be3al2(sio3)6.an emerald can be decided as

Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas

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.