How many unique substances (elements) are there?
Hunting the Elements

Flashcard
•
Science
•
8th Grade
•
Hard
Laura Seybold
FREE Resource
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17 questions
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1.
FLASHCARD QUESTION
Front
Back
118
2.
FLASHCARD QUESTION
Front
75% of the elements are _____________________
Back
metals
3.
FLASHCARD QUESTION
Front
The number of _______________ determines what kind of element the atom is.
Back
protons
4.
FLASHCARD QUESTION
Front
Metals are shiny, malleable materials that conduct
Back
electricity
5.
FLASHCARD QUESTION
Front
Dmitri ________________________ , the grandfather of the periodic table, came up with a chart to organize all of the elements.
Back
Mendeleev
6.
FLASHCARD QUESTION
Front
The group on the far right of the table, the ____________ gases, are unwilling to react with other elements.
Back
noble
7.
FLASHCARD QUESTION
Front
Protons may determine the identity of an element, but _______________ rule its reactivity
Back
electrons
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