What is the atomic number of the element named after Alfred Nobel, the inventor of dynamite?
Correct Answer: 102
Subject: chemistry
Explanation: • <b>Key Fact</b>
Nobelium (No) has atomic number 102.
• <b>Supporting Detail</b>
It is part of the actinide series in the f-block.
• <b>Related Concept</b>
100 = Fermium (Fm), 101 = Mendelevium (Md), 103 = Lawrencium (Lr).
• <b>Why wrong options are wrong</b>
100, 101, and 103 honor Fermi, Mendeleev, and Lawrence respectively.
• <b>Exam Trick</b>
Nobelium = 102.
• <b>Additional Info</b>
It was first synthesized in heavy ion accelerators.