Which set of elements usually has more in common periods or groups? explain your answer.

Consider two metallic rods mounted on insulated supports. one is neutral, the other positively charged. you bring the two rods close to each, but without contact, and briefly ground the the neutral rod by touching it with your hand. show answer correct answer what would be resulting charge (if any) on the initially neutral rod

What are chlorofluorocarbons and what impact do they have on the atmosphere?

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?