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Hypothesize as to why Seaborg removed the actinide and lanthanide series elements and placed them into their own block!

1 Answer

3 votes
This is currently going ok because how the pencil is working on it and how the pencil has a different color and how the ink looks in different ways so it doesn’t have a lot to work on but it’s really nice and I like it because it looks really good and it doesn’t have any of that weird stuff that I don’t know what it is by people’s pencil are disgusting because they put burgers on them like come on guys we in high school
User Ursin Brunner
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