Elements Answers

Which statements accurately describe trends found in the periodic table? Check all that apply.Henry Moseley established a periodic table that arranges the elements by atomic number.The atomic mass decreases from left to right on the periodic table.The atomic number increases from left to right on the periodic table.Nonmetals create a “staircase” down the periodic table.Metalloids have the characteristics of both metals and nonmetals.

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atomic number chemical properties number of valence electrons period number

decreases increases stays the same