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Definitions from WordNet
Noun atomic number 99 has 1 sense
- einsteinium, Es, E, atomic number 99 - a radioactive transuranic element produced by bombarding plutonium with neutrons
--1 is a kind of metallic element, metal
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Definitions from the Web
Term: Atomic Number 99
Synonyms:
- Element 99
- Eka-einsteinium
Definition:
Atomic number 99 refers to the unique number assigned to an element in the periodic table, specifically element 99. It indicates the number of protons found in the nucleus of an atom of that particular element.
Usage:
Science:
- In the periodic table, Atomic Number 99 corresponds to the element Einsteinium (Es) which follows fermium and precedes mendelevium.
- Understanding the properties and behaviors of atomic number 99 is crucial for advanced scientific research and nuclear studies.
Popular:
- Atomic Number 99, also known as Eka-einsteinium, has a variety of applications in various industries including medical, research, and nuclear.
- Element 99 is highly radioactive and is primarily produced through synthetic means in laboratories.
Sample Sentences:
Science:
- The atomic number 99 of Einsteinium is denoted by the symbol "Es" in the periodic table.
- Scientists conducted experiments to study the decay properties of atomic number 99 isotopes.
Popular:
- Medical researchers utilize atomic number 99 in radiopharmaceuticals for diagnostic imaging purposes.
- Due to its high radioactivity, handling and storage of atomic number 99 materials require special precautions and safety measures.
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