Review Game # 2 Question Preview (ID: 56256)
Review For Regents Good Through Acid Base.
TEACHERS: click here for quick copy question ID numbers.
Which electron configuration represents the electrons of an atom of neon in an excited state?
a) 2-7
b) 2-8-2-1
c) 2-8
d) 2-7-1
F2 will dissolve in
a) H20
b) NH3
c) CH4
d)
What sample of water has the lowest kinetic energy?
a) 273K
b) 100K
c) 10K
d) 500K
What type of bonding has a sea of moving (mobile) electrons
a) metallic bonding
b) covalent bonding
c) ionic bonding
d)
What color is bromocresol green in a sample with a pH of 1
a) yellow
b) green
c) blue
d) red
Stored energy is
a) kinetic energy
b) potential energy
c)
d)
Which is a metalloid ?
a) Pb
b) Ge
c) Ar
d) Na
When electrons gain energy they
a) move up an energy level
b) move down an energy level
c) remain in the same energy level
d)
How many protons does Mg-23 have
a) 23
b) 12
c) 11
d) 0
Hydro carbons contain
a) hydrogen only
b) carbon and hydrogen only
c) carbon and oxygen only
d) oxygen and hydrogen only
Which is an empirical formula?
a) C2H8
b) C3H4
c) C5H10
d) C2H2
F2 = F + F
a) Energy is absorbed as bonds are formed
b) Energy is absorbed as bonds are broken.
c) Energy is released as bonds are formed.
d) Energy is released as bonds are broken.
the alternative theory states
a) Bases accept H+
b) Acids accept H+
c) Bases accept OH-
d) Acids accept OH-
an aqueous solution is
a) heterogenous
b) homogeneous
c)
d)
What pH is 1000 times more acidic then 5 ?
a) 8
b) 6
c) 3
d) 2
Why are nuclear reaction like fusion so exothermic
a) small amount of matter is converted to energy
b) energy is converted to matter
c) there not exothermic
d)
Which has the least entropy ?
a) S
b) L
c) g
d)
If a substance dissolves in water , the substance must be
a) nonpolar
b) polar
c)
d)
Compared to an atom of calcium ,an ion of calcium +2 has
a) a larger radius
b) a smaller radius
c) fewer protons
d) more protons
What is the electron configuration of sodium in the excited state ?
a) 2-8-1
b) 2-7-4
c) 2-7-2
d) 2-8-8-1
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