What do the horizontal rows on the periodic table tell us?
Periodic Table

Flashcard
•
Chemistry
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The number of orbitals.
2.
FLASHCARD QUESTION
Front
What is the name of the element with the symbol 'Na'?
Back
Sodium.
3.
FLASHCARD QUESTION
Front
Who discovered the nucleus of the atom?
Back
Rutherford.
4.
FLASHCARD QUESTION
Front
What is the atomic mass of sodium?
Back
58.693.
5.
FLASHCARD QUESTION
Front
How many protons does nickel have?
Back
28.
6.
FLASHCARD QUESTION
Front
What is the periodic table?
Back
A tabular arrangement of chemical elements, organized by atomic number, electron configuration, and recurring chemical properties.
7.
FLASHCARD QUESTION
Front
What does the atomic number represent?
Back
The number of protons in the nucleus of an atom.
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