- Are isotopes of an element still the same element?

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White light is directed at difraction grating at angle normal to gratting.starting at norml to grating 0dgre the odr of red,gren,blue wil be? Find all solutions to the following system of nonlinear equations.
(x − 2)^2 + y ^2 = 20
(x + 2)^2 + y^ 2 = 20? If 7.46g of CrCl3 are dissolved in enough water to make 385 mL of solution, what is the molarity of the resulting solution? What can you tell me about the flower of life? Sacred geometry? Where does it come from? 7^(x+1) + 7^x + 7^(x-1) = 399, what is x?