Chemistry

Chemistry, 30.08.2019 18:30, baseball1525

mendeleev devised his periodic table by ordering the elements according to their atomic number.
true or false

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Chemistry, 24.06.2019 17:00, ralewis2931

Which is a true statement about dmitri mendeleev? a. mendeleev created the periodic table in the 1860s. b. mendeleev grouped the known elements into four categories: metals, nonmetals, gases, and earths. c. mendeleev identified the first 17 elements of the periodic table. d. mendeleev organized the elements of the periodic table in the order of decreasing mass.

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Chemistry, 05.07.2019 13:30, mshepherdmiller

How does the current (modern) periodic table differ from mendeleev's periodic table? select all that apply. you can select more than one answer. a. it contains more elements than mendeleev's periodic table b. mendeleev's periodic table didn't group the elements, but were just a long list c. it is now arranged by increasing atomic number instead of increasing atomic mass d. the atomic masses on the modern periodic table are much different than they were on mendeleev's periodic table

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Chemistry, 07.07.2019 19:00, 100154281

3.01 quiz: atomic number and the periodic law ps which of the following characteristics was not included in dmitri mendeleev's periodic table? distribution of elements determined by electron configuration what is the primary atomic characteristic that mendeleev used to organize the periodic table? atomic mass mendeleev left several blank spaces in his original periodic table. what did those spaces represent? elements that had yet to be discovered according to the periodic law, what is the relationship between elements and periods? element properties repeat from period to period. which of these sets of elements has similar properties? consult the periodic table. strontium, magnesium, calcium, beryllium

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Physics, 24.07.2019 20:40, anastasiakonni1

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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mendeleev devised his periodic table by ordering the elements according to their atomic number.

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