5. (08.01 MC) Which of the following describes a characteristic of water that makes it cohesive in nature? (5 points)

It is a non-polar molecule with weak hydrogen boding.

It has a linear molecular structure with H-O-H arranged in a straight line.

It has a huge electronegativity difference between its atoms.

It requires a high amount of heat to raise or drop its temperature.

Which of the following elements is a representative element? a. chromium (cr) b. aluminum (al) c. mercury (hg) d. silver (ag)

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

How many grams of aluminum will there be in 98g of al2o3?