Choose all that apply. Metals are elements that conduct heat and electricity, are bendable shiny solids.

gain valence electrons to have a stable electron configuration.

lose their valence electrons to have a stable electron configuration.

do not conduct heat and electricity, are dull brittle solids and gases

Sandy is building a small toy car. he wants to use a balloon to power the toy car. he fills a balloon with air and then attaches a straw to the balloon. he tapes the balloon-straw combination to the car and then releases the end of the balloon. the toy moves forward as the air from the balloon comes out the back of the straw. what can sandy do to make the toy car move faster? a) use less air in the balloon. b) blow up the balloon more. c) use a longer straw. d) use larger tires.