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melomori [17]
3 years ago
13

Disadvantages of modern periodic table?​

Chemistry
1 answer:
ira [324]3 years ago
4 0

Answer:

It has its elements with mass numbers phrased in many decimal places, it requires one to round off to get the actual value.

The atomic numbers of some elements such as Protonium were just guessed.

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Answer:

1000 meters

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Explanation:

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100 Points Will Make Brainliest. Help Me Please.
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