How could you show that a charged object could repel or attract another object without touching it? and if you can do question 2 it would be really good <3
An object becomes electrically charged when negative charges move into it from a second object. does the second object also become electrically charged? Explain your answer.

Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine

Identify two types of chemical bonding in the source of dietary potassium

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.