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