Discovery of New Elements and Superheavy Elements
Chemistry ⇒ Atomic Structure and the Periodic Table
Discovery of New Elements and Superheavy Elements starts at 11 and continues till grade 12.
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Describe one challenge faced in the synthesis of superheavy elements.
Describe the difference between transuranium and superheavy elements.
Describe the general trend in half-lives of elements as atomic number increases beyond uranium.
Describe the role of neutron number in the stability of superheavy nuclei.
Describe the role of particle accelerators in the discovery of new elements.
Explain the importance of international collaboration in the discovery of new elements.
Explain the significance of the 'island of stability' in the context of superheavy elements.
Explain why superheavy elements have very short half-lives.
Explain why the chemical properties of superheavy elements are difficult to study.
Explain why the discovery of new elements is important for the periodic table.
Explain why the discovery of superheavy elements is significant for nuclear physics.
Name the scientist who first proposed the concept of the 'island of stability' for superheavy elements.
What is the main reason for the instability of superheavy elements?
A research team synthesizes a new element with atomic number 119 by bombarding a berkelium-249 target with titanium-50 ions. Write the nuclear equation for this reaction and identify the product and any emitted particles.
Consider the following scenario: Scientists attempt to synthesize element 120 by bombarding a curium-248 target with a chromium-54 ion. If the reaction produces three neutrons, what is the mass number of the newly formed element 120 isotope?
Discuss how relativistic effects influence the chemical properties of superheavy elements, providing an example.
Explain why the synthesis of superheavy elements often requires the use of neutron-rich isotopes as targets or projectiles.
