Multiple Choice
What is the correct name for the binary molecular compound ?
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5. Molecules and Compounds
Naming Binary Molecular Compounds
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What is the correct name for the binary molecular compound ?
A
Tetranitrogen tetraselenide
B
Tetranitrogen tetrasulfide
C
Tetrazinc tetrasulfide
D
Nitrogen(IV) sulfide
Verified step by step guidance1
Identify the elements in the compound: N (nitrogen) and S (sulfur).
Recognize that this is a binary molecular compound, meaning it consists of two nonmetal elements.
Use the prefixes to indicate the number of atoms of each element: 'tetra-' means 4, so N4 is 'tetranitrogen' and S4 is 'tetrasulfide'.
Combine the names of the two elements with their prefixes, placing the more electropositive element (nitrogen) first, followed by the more electronegative element (sulfur) with the suffix '-ide'.
Confirm the correct name is 'tetranitrogen tetrasulfide' because 'selenide' refers to selenium, which is not present, and 'zinc' is a metal, so 'tetrazinc' is incorrect.
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