Chemistry, 07.01.2021 19:30 brookespradley1
Which feature does an iron metal have?
O electrons that transfer between atoms to make cations and anions
O a sea of electrons
O firmly bonded electrons
O electrons shared between single pairs of atoms
Answers: 3
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Working with si (metric) units for each of the following commonly used measurements, indicate its symbol. liter gram milliliter kilogram meter centigram milligram centimeter kilometer second millimeter milliseconds
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Which characteristics can be used to differentiate star systems? check all that apply.
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What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients
Answers: 1
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The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.
Answers: 3
Which feature does an iron metal have?
O electrons that transfer between atoms to make cations and...
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