Read the list of elements given below. be, mg, ca, sr which of the following about the elements is true? all of them are unreactive metalloids. all of them are hard and dense metals. be and mg are hard and dense metals and ca and sr are unreactive metalloids. be and mg are unreactive metalloids and ca and sr are hard and dense metals

the best answer is d because the strong cohesion is caused by the ability of water molecules to undergo hydrogen bonding.

a is incorrect because when water solidifies, it becomes   ice, which expands and occupies a bigger volume for the same mass of water in its liquid state.

b is incorrect because water has high surface tension. besides bonding to itself it hydrogen bonds to other molecules at the top decreasing possibility for breaking of attractive forces.

c is incorrect because the water molecule has oxygen which is highly electronegative and so pulls the electron pair towards itself creating a dipole moment, making the molecule polar.

e is incorrect because water has strong adhesion, ability to stick to other molecules such as glass because of this molecules having stronger hydrogen bonding than water.