In his periodic table, Mendeleev arranged elements in rows by increasing atomic mass. Within a row, elements with lower atomic masses were on the left. Mendeleev started a new row every time the chemical properties of the elements repeated. Thus, all the elements in a column had similar properties.
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A.By number of electrons B.By Alphabetical order C.By increasing atomic weight and similar properties D.By increasing atomic number and similar properties.
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di kase malagyan ng space sorry po kung magulo hehe
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Answer:
periodic table
In his periodic table, Mendeleev arranged elements in rows by increasing atomic mass. Within a row, elements with lower atomic masses were on the left. Mendeleev started a new row every time the chemical properties of the elements repeated. Thus, all the elements in a column had similar properties.
Explanation:
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