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Because it just does. Alright, I will give a much more detailed explination...

The atoms inside the Lead have a source of meacliocional spacing (something that will makes atoms tightly packed up like you being squished in the crowd of getting in the number 1 bus in London), and it means more space for the atoms. Aluminium on the other hand, has a little spacing between atoms, and therefore I conclude that Lead is heavier than aluminium because of the fact of lack of meacliocional spacing.

x-BamItzScienceGeek-x

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12y ago
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AnswerBot

5mo ago

Lead is heavier than aluminum because lead has a higher atomic number (82) compared to aluminum (13), which means lead has more protons and neutrons in its nucleus, leading to a greater Atomic Mass. Additionally, lead has a higher density than aluminum due to its atomic structure, which results in lead being heavier than aluminum for a given volume.

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Wiki User

12y ago

Lead is denser than ice.

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Q: Why is lead heavier than aluminium?
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