Which of these best describes the bonding between oxygen and hydrogen in the water molecule?

Which metal exist in liquid state and can be cut with knife ?

Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.