Brainlies ! 1. based on dalton's atomic theory, which of the following is true about all atoms of the same element? they have different masses. they have the same properties. they can be divided into molecules. they are composed of visible matter. 2. boron is to the immediate left of carbon in the same row in the periodic table. which of the following statements compares the radius and pull exerted by the protons of boron and carbon atoms? boron has a smaller radius and the protons in carbon exert a greater pull. boron has a larger radius and the protons in carbon exert a greater pull. boron has a smaller radius and the protons in carbon exert less pull. boron has a larger radius and the protons in carbon exert less pull.