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Review Game # 2
Test Description: Review for regents good through acid base
Instructions: Answer all questions to get your test result.
1) Which electron configuration represents the electrons of an atom of neon in an excited state?
A
2-8
B
2-7
C
2-7-1
D
2-8-2-1
2) F2 will dissolve in
A
CH4
B
H20
C
NH3
3) What sample of water has the lowest kinetic energy?
A
100K
B
10K
C
273K
D
500K
4) What type of bonding has a sea of moving (mobile) electrons
A
ionic bonding
B
metallic bonding
C
covalent bonding
Helpful Hint
use table M
5) What color is bromocresol green in a sample with a pH of 1
A
red
B
green
C
yellow
D
blue
6) Stored energy is
A
potential energy
B
kinetic energy
Helpful Hint
both snoop and tupac got subway
7) Which is a metalloid ?
A
Ge
B
Na
C
Ar
D
Pb
8) When electrons gain energy they
A
move up an energy level
B
remain in the same energy level
C
move down an energy level
9) How many protons does Mg-23 have
A
23
B
12
C
0
D
11
10) Hydro carbons contain
A
carbon and hydrogen only
B
oxygen and hydrogen only
C
hydrogen only
D
carbon and oxygen only
11) Which is an empirical formula?
A
C2H2
B
C3H4
C
C2H8
D
C5H10
Helpful Hint
Barf
12) F2 = F + F
A
Energy is absorbed as bonds are broken.
B
Energy is released as bonds are broken.
C
Energy is absorbed as bonds are formed
D
Energy is released as bonds are formed.
Helpful Hint
Baad
13) the alternative theory states
A
Acids accept OH-
B
Bases accept OH-
C
Acids accept H+
D
Bases accept H+
14) an aqueous solution is
A
heterogenous
B
homogeneous
15) What pH is 1000 times more acidic then 5 ?
A
2
B
6
C
8
D
3
16) Why are nuclear reaction like fusion so exothermic
A
there not exothermic
B
energy is converted to matter
C
small amount of matter is converted to energy
17) Which has the least entropy ?
A
g
B
S
C
L
18) If a substance dissolves in water , the substance must be
A
nonpolar
B
polar
19) Compared to an atom of calcium ,an ion of calcium +2 has
A
a smaller radius
B
a larger radius
C
more protons
D
fewer protons
Helpful Hint
EXCITED
20) What is the electron configuration of sodium in the excited state ?
A
2-8-8-1
B
2-7-4
C
2-8-1
D
2-7-2
*select an answer for all questions
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