Chemistry - Periodic Table+IE(check+help)
The following data lists the ionization energies for a given atom: IE1 = 738Kj/mol; IE2 = 1451Kj/mol; IE3 = 7733Kj/mol. Predict the valence electron configuration for this atom, and explain your reasoning. i do not understand this question but i will give it a try, please chec...
Chemistry - Periodic Table+Cations(check+help)
On which side of the periodic table would you find an element whose atom is likely to form a cation? Which atom property is related to this question? Ans: is it the right side of the periodic table that you would find the elements whose atom are likely to form a cation, since ...
Chemistry - Periodic Table+IE(check+help)
The following data lists the ionization energies for a given atom: IE1 = 738Kj/mol; IE2 = 1451Kj/mol; IE3 = 7733Kj/mol. Predict the valence electron configuration for this atom, and explain your reasoning. i do not understand this question but i will give it a try, please chec...
Chemistry - Periodic Table+Cations(check+help)
On which side of the periodic table would you find an element whose atom is likely to form a cation? Which atom property is related to this question? Ans: is it the right side of the periodic table that you would find the elements whose atom are likely to form a cation, since ...
english + law - creating sentences
Use Amending formula, rule of law and civil law individually in sentences. Please help me form sentences, i cannot crack my brain around these three.
density and density error (check calculations)
Calculate the density of earth and its density error d=m/v where m = 6.00*10^24kg and v = (4/3)(pi)(6359000)^3 = 1.07709...*10^21 m^3 therefore d=6.00*10^24/1.07709...*10^21 m^3 d = 5570.5254...kg/m^3 using the sig fig rule, in division and multiplication take the least decima...
chemistry - density and error (check)
Calculate the density of earth and the density error. i got the answer 5.57*10^3k +/- 9.60 *10^7kg/m is that the correct answer? please help
Chemistry - Unit Analysis
The molar mass of cupric chloride is 134.45g/mol. What is the mass, in grams, of 8.19*10^-3 mol of this compound?
chemistry 11 grade
A piece of iron wire weighs 2.225g. It is dissolved in acid, which oxidizes the iron to iron(II), and made up to 250 mL. A 25mL sample required 31.0 mL of a 0.0185mol/L solution of potassium dichromate. Calculate the percentage of iron in the wire.
AP World History
I need some continuities and changes in economy in the islamic world from 600-1750 AD, please help? Just a list would be fine with me thank you!!! :D
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