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Super-Heavy Elements

Phrase cards for repeated reading of Newsela "Super-Heavy Elements"

QuestionAnswer
periodic table a table showing chemical elements, arranged in the order of their atomic numbers
international scientific group * * *
newly discovered elements * * *
deserve a permanent spot * * *
separated into smaller substances * * *
center of each atom is a nucleus the center of an atom that contains positive and neutral particles
nuclei the word that means more than one nucleus
nuclei of their atoms are so enormous * * *
huge, super-heavy elements are not normally * * *
special laboratories * * *
might exist * * *
supernova," said acientist Dawn Shaughnessy the explosion of a star, possibly caused by gravitational collapse
really heavily concentrated * * *
Lawerence Livermore National Laboratory * * *
chart listing all the elements * * *
highly unstable. They exist * * *
Created by: sivadirol
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