Why are elements on the periodic table not arranged by mass? Here’s the picture for the answers.

A. Similar elements have such different masses that this would lead to a completely random arrangement of elements.

Explanation:

Because it is the number of protons, which is identical to the atomic number, that separates different elements from each other, not the atomic mass.

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for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

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