Periodic Table Answers

Which statements accurately describe Dmitri Mendeleev’s contributions to the development of the periodic table? Check all that apply.Mendeleev wrote the first modern chemistry textbook.Mendeleev produced the first orderly arrangement of known elements.Mendeleev ordered the elements by increasing atomic number.Mendeleev used patterns to predict undiscovered elements.Mendeleev accounted for variations resulting from isotopes.

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Use the information in the square to answer the questions about tin.

⇒ 110

⇒ 133