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iogann1982 [59]
3 years ago
14

When Mendeleev and other scientists arranged elements in order of increasing atomic mass, they noticed a repeating pattern of __

_____________.
This is known as periodic law.
properties
pizzas
polygons
pyramids
Chemistry
1 answer:
borishaifa [10]3 years ago
7 0

The only answer that really makes sense here is the first one, properties. I would go with that one.

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