From which of the following atoms would it be the easiest to remove an electron from? Sr Cd Fb Xe Dalton was absolutely correct in his statement that all atoms of the same element are identical. True False The number of protons is always equal to the number of electrons for any given atom. True False When milk goes "sour", only a physical change has occurred. True False When elements combine to form compounds, those compounds have the properties that are completely different from those of me elements to True False The elements arranged on the modern version of the periodic table in order of increasing mass number True False If a sealed baloon containing 10 grams of liquid water is heated sealed balloon will weigh lessthan the original. True False