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Which statement describes how atomic masses are arranged on the periodic table? A. Atomic masses typically increase from right to left and from bottom to top. B. Atomic masses typically decrease from left to right and from bottom to top. C. Atomic masses typically decrease from right to left and from top to bottom. D. Atomic masses typically increase from left to right and from top to bottom.

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shelbymariah52

Answer:

Explanatio(3) Atomic masses are a weighted average of the naturally occurring isotopes.

(3) Atomic masses are a weighted average of the naturally occurring isotopes. is the best statement for why most atomic masses on the Periodic Table are decimal numbers.