When a substance is heated, the particles gain energy and move apart, increasing the volume. The mass of the substance being heated increases
decreases
varies unpredictably
stays the same

Y=‐1x + 7 if y has a value of ‐24 what is the value of x?

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.

What is the mass of 0.46 mil of mgcl2