Chemistry, 26.09.2021 09:30 jjcooper05
From 1940, there have been four main laboratories that have worked to produce elements with atomic numbers greater than 92. Describe what IUPAC’s role would be in such a situation.
Points to consider include:
- What are the criteria that must be followed for an element to be made?
- How does the element name get chosen? And who is allowed to choose?
- Which scientist is given the credit for making the element?
Answers: 2
Chemistry, 21.06.2019 22:30, ayoismeisalex
Which of these sequences lists the correct order for the creation of sedimentary rock from sediment? a. deposition, burial, compaction, cementation b. burial, deposition, compaction, cementation c. compaction, deposition, burial, cementation d. cementation, deposition, burial, compaction
Answers: 1
Chemistry, 21.06.2019 23:30, hellokitty1647
For the following dehydrohalogenation (e2) reaction, draw the zaitsev product(s) resulting from elimination involving c3–c4 (i. e., the carbon atoms depicted with stereobonds). show the product stereochemistry clearly. if there is more than one organic product, both products may be drawn in the same box. ignore elimination involving c3 or c4 and any carbon atom other than c4 or c3.
Answers: 3
Chemistry, 22.06.2019 10:00, 2019reynolds
Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
Answers: 1
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