Name: 
 

High School Chemistry - Lesson 1 - Problems


Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 
Can He share electrons?
a.
yes
b.
no
 

 2. 
Transcatinide elements are _____.
a.
readily available in nature
b.
identified in large quantities
c.
synthesized
d.
All of the above
 

 3. 
1s22s1 represents _____.
a.
Li–
b.
Li2
c.
Li+
d.
Li
 

 4. 
Transuranium elements have _____.
a.
atomic numbers greater than 92
b.
atomic numbers greater than 91
c.
atomic numbers less than 92
d.
atomic numbers less than 91
 

 5. 
A neutron has approximately the same mass as a _____.
a.
a proton
b.
an a particle
c.
a b particle
d.
an electron
 

 6. 
Adding electrons to an ion _____.
a.
changes only the shape of the atom
b.
doesn't change the size
c.
makes it larger than the neutral atom
d.
makes it smaller than the neutral atom
 

 7. 
Europium is _____.
a.
a gas
b.
an actinide
c.
an alkaline earth metal
d.
a lanthanide
 

 8. 
Atomic mass in the Periodic Table _______ in the groups from top to the bottom.
a.
are the same
b.
increases
c.
are almost the same
d.
decreases
 

 9. 
K is _____.
a.
an alkali metal
b.
an alkaline earth metal
c.
a transition metal
d.
None of the above
 

 10. 
Which of the following elements have the lowest ionization energy? _____
a.
Al
b.
Si
c.
C
d.
B
 

 11. 
The 4s sublevel is filled _____.
a.
after the 4p sublevel
b.
before the 3d sublevel
c.
before the 2s sublevel
d.
before the 3p sublevel
 

 12. 
Which group is called transition metals?
a.
I A
b.
VIII A
c.
Right of group II A left of III A.
d.
II A
 

 13. 
Which halogens are gases at STP?
a.
chlorine and bromine
b.
iodine and bromine
c.
chlorine and fluorine
d.
iodine and fluorine
 

 14. 
Ne has _______ electrons for sharing.
a.
8
b.
7
c.
5
d.
6
 

 15. 
Which three groups of the Periodic Table contain the most elements classified as metalloids (semimetals)?
a.
1, 2, and 13
b.
2, 13, and 14
c.
16, 17, and 18
d.
14, 15, and 16
 



 
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