What is the oxidation number of an element?
A. The number of atoms of an element in a formula
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Chemistry, 01.12.2020 16:50 leilanimontes714
What is the oxidation number of an element?
A. The number of atoms of an element in a formula
B. The charge an element would have if it lost or gained electrons
C. The number of valence electrons an element has
D. The group number for the element
Answers: 2
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Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.
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The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride
Answers: 1
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Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.
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