Atomic Structure And The Periodic Table

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Atomic Structure And The Periodic Table
8th grade EOG Review Quiz- atomic structure and the periodic table

  
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1.  The electric charge on a proton is
A.
B.
C.
D.
2. 
The elements in Group 1 of the periodic table are commonly called the
A.
B.
C.
D.
3.  The isotope nitrogen-13 has a half-life of 10 minutes. If you start with 40 grams of this isotope, how many grams will you have left after twenty minutes?
A.
B.
C.
D.
4.  From left to right in a period, the size of the atom
A.
B.
C.
D.
5.  How do the size of a negative ion compare to the size of the atom that formed it?
A.
B.
C.
D.
6. 
What does the number above the symbol for each element represent?
A.
B.
C.
D.
7.  Elements in a group have
A.
B.
C.
D.
8.  The central part of an atom is called the
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B.
C.
D.
9.  The number of protons in the nucleus is the
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B.
C.
D.
10.  The modern periodic table is organized by
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B.
C.
D.
11. 
How many electrons does a neutral chlorine (Cl) atom contain
A.
B.
C.
D.
12.  Nitrogen has the atomic number 7. An isotope of nitrogen containing seven neutrons would be
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B.
C.
D.
13. 
The atom of what element is in Period 4, Group 13?
A.
B.
C.
D.
14. 
What do the elements on the far right of the table (He, Ne, Ar, and Kr) have in common?
A.
B.
C.
D.
15.  Elements in a period have
A.
B.
C.
D.
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