1) Which of the following models is electrically neutral? a) A b) B c) C 2) Which of the following models has a mass of 4? a) A b) B c) C 3) An atom contains 5 protons and has a mass of 10. How many neutrons does this atom contain? a) 10 b) 15 c) 5 4) An electrically neutral atom contains 3 protons and 4 neutrons. How many electrons does this atom contain? a) 7 b) 3 c) 4 5) This atom is electrically neutral (True or False) a) True b) False 6) This atom is electrically neutral (True or False) a) True b) False

Counting Subatomic Particles

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