Open QuestionWhich one of the following statements about atoms and subatomic particles is correct?795views
Open QuestionHow many protons, neutrons, and electrons are there in a neutral atom of 43k (potassium-43)?1047views
Open QuestionRounded to the nearest whole number, how many electrons are in an atom of zirconium?623views
Open QuestionAn atom's mass number is 13 and its atomic number is 6. How many neutrons are in its nucleus?672views