Which of the following is true about metallic compounds? a they are formed between positive and negative ions. b they conduct electricity when solid or molten. c they have high melting points. d they are formed between atoms of non-metals. e they are formed when electrons are shared. f they have a shiny appearance.

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of