Siya saw two elements X and Y. Element X is shiny and hard, while element Y is dull and brittle. Which of the two elements is more likely to be a good conductor of electricity?

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.

How does concentration affect reaction rate

Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.