Physics, 22.06.2019 16:30 skiddymark3ox93za
Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?
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Apossible explanation for a set of facts that can be tested by further investigation is called
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Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge
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Which of the following are not typically included in the periodic table? a. atomic mass b. element symbol c. isotopes d. number of electrons
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Unpolarized light falls on two polarizer sheets whose transmission axes are at right angles. a third polarizer is placed between the first two so that its axis makes a 52-degree angle with the axis of the first polarizer. a) what fraction of the incident light intensity is transmitted through the first polaroid? b) what fraction of the incident light intensity is transmitted through the second polaroid? c) what is the angle of polarization of the light that enters the third polaroid? d) what fraction of the incident light intensity is transmitted through the third polaroid. e) what happens if the middle polaroid is removed?
Answers: 3
Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the i...
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