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Andrei [34K]
3 years ago
10

Why are elements' atomic masses not in strict increasing order in the periodic table even though the properties of the elements

are similara?
Chemistry
1 answer:
Karolina [17]3 years ago
6 0
Because they're just meant to be arranged by atomic mass--it's just how the scientists of the late 1860s wanted it to be ordered 
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