Flashcards
Untitled
Cards in this deck (9)
- 1what is atom?smallest particle that can exist
- 2what does periodic table mean?a table with all the known elements from increasing numbers of atom
- 3what is another name for 8?ocatate
- 4what is another name for horizontal rows?periods
- 5what is another name for vertical rows?groups.
- 6how many known elements are in the periodic table?there are 118 known elements
- 7what does electronic configuration meanthe number of protons in a nucleus
- 8how many electrons can the first shell?2 electrons
- 9—
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- Flashcards on Untitled, created by Ahmed Ali on 11/05/2016.
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- Ahmed Ali
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