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CLopez678 CLopez678
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3 months ago
Mendeleev proposed the existence of an unknown element that he called eka-aluminum. This element is now called

▸ gallium.

▸ silicon.

▸ magnesium.

▸ boron.

▸ germanium.
Textbook 
Chemistry: Atoms First

Chemistry: Atoms First


Edition: 4th
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firebug210firebug210
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3 months ago
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CLopez678 Author
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3 months ago
Just got PERFECT on my quiz
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Thank you, thank you, thank you!
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Good timing, thanks!
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