Which element is the least reactive?
All Periodic Table Review

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Science
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Ne (Neon) is the least reactive element among the options provided.
2.
FLASHCARD QUESTION
Front
How many protons are in the element with atomic number 79?
Back
79 protons.
3.
FLASHCARD QUESTION
Front
What is each row in a periodic table called?
Back
Each row is called a Period.
4.
FLASHCARD QUESTION
Front
Which element is similar to Fluorine (F)?
Back
Chlorine (Cl) is similar to Fluorine.
5.
FLASHCARD QUESTION
Front
True or False: Size decreases as you go down a group in the periodic table.
Back
False. Size increases as you go down a group.
6.
FLASHCARD QUESTION
Front
What is the atomic number of an element?
Back
The atomic number is the number of protons in the nucleus of an atom.
7.
FLASHCARD QUESTION
Front
What are groups in the periodic table?
Back
Groups are the vertical columns in the periodic table, where elements have similar chemical properties.
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