Regents Chemistry Exam August 2024 Question 4
4 Which phrase compares the properties and molecular structure of oxygen, O2(g), and ozone, O3(g)?
(1) the same properties and the same molecular structure
(2) the same properties and different molecular structures
(3) different properties and the same molecular structure
(4) different properties and different molecular structures
Solution:
Oxygen gas and ozone are different forms of the same element, which are called allotropes. These forms have different molecular structure and different properties.
Example of other allotropes (of carbon) are graphite and diamond.
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