Number of protons, neutrons and electrons in the element ₈₉X²³¹ is: A) 89, 231, 89 B) 89, 89, 242 C) 89, 142, 89 D) 89, 71, 89

Number of protons, neutrons and electrons in the element ₈₉X²³¹

1.	Number of protons, neutrons and electrons in the element ₈₉X²³¹ is: A) 89, 231, 89 B) 89, 89, 242 C) 89, 142, 89 D) 89, 71, 89
Answer» number is 89so, PROTON = 89 electron = 89for neutron N = 231-89 = 142ans is C

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Number of protons, neutrons and electrons in the element ₈₉X²³¹ is: A) 89, 231, 89 B) 89, 89, 242 C) 89, 142, 89 D) 89, 71, 89

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