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The atomic number of Caesium is 55 and its atomic mass is ____________
Classroom
Chemistry Classroom
Post Utme
Post Utme 0
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The atomic number of Caesium is 55 and its atomic mass is ____________
SchoolNGR Classroom
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
A
78 protons and 55 electrons
B
55 protons and 78 neutrons
C
55 neutrons and 78 electrons
D
78 neutrons and 55 neutrons
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Show Explanation
Correct Answer:
Option B
Explanation:
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