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

Lyderių lentelė

Vizualinis stilius

Parinktys

Pakeisti šabloną

Atkurti automatiškai įrašytą: ?