Alai is comparing the physical property of two materials. he is hitting each with a hammer to observe what happens. what physical property of the materials is alai most likely observing?
a)solublity
b)conductivity
c)hardness
d)odor

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next

Which states of matter have particles that move independently of one another with very little attraction?

How many moles of water are created if 3 moles of hydrogen react completely with excess oxygen?