Domanda apertaHow many protons, neutrons, and electrons are there in a neutral atom of 43k (potassium-43)?1642views
Domanda apertaAn atom's mass number is 13 and its atomic number is 6. How many neutrons are in its nucleus?1152views
Domanda apertaHow many protons, neutrons, and electrons are there in a neutral atom of 97Tc (Technetium-97)?1133views
Domanda apertaWhat is the atomic symbol and mass number for an atom containing 50 protons and 64 neutrons?1418views