1. Light from the sun causes the to change. - plant
- solar panel
- glass
- aluminum
- melanin
- genetic material

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

What happens when the temperature of a solution increases?

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.