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bermudezs732
11.10.2019 •
Chemistry
When in a compound, the oxidation number of a nonmetal:
is always fixed and can never be changed
can only be deduced once all the other oxidation numbers in the equation are totaled
may depend on what other elements are in the compound
must remain the same on both sides of the equation
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Ответ:
May depend on what other elements are in the compound
Explanation:
A compound is made up of atoms from different elements. For example, water is a compound made up of hydrogen atoms and oxygen atoms.The oxidation number is the number showing the charge of an atom. it can be positive, zero or a negative value.The oxidation number of an atom in a compound depends on atoms of other elements in the compound.For example, the oxidation number of Nitrogen in HNO₃ is +5 and in NH3 is -3.Ответ:
There are four main categories of galaxies: elliptical, spiral, barred spiral, and irregular. These types of galaxies are further divided into subcategories while at the same time other types of galaxies exist based on their size and other unique features.
Explanation: