Mr. Wissmann's Accelerated Chemistry Final Review Part 2 Question Preview (ID: 31638)
Review For The Accelerated Chemistry Final.
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The third period of the period table contains
a) s block only
b) p block only
c) s and p blocks
d) s, p, and d blocks
This type of reaction has only one product
a) combustion
b) single replacement
c) synthesis
d) decomposition
When balancing chemical equations, be sure that that you balance the number of ____ on both sides.
a) subscripts
b) molecules
c) atoms
d) coefficients
Which of the following is NOT evidence of a chemical change?
a) new product formed
b) change of state
c) release of energy
d) gas formation
Similar elements on the periodic table are in
a) groups
b) periods
c) rows
d) sides
If an atom has 6 protons and 5 neutrons, what is its atomic number?
a) 6
b) 5
c) 11
d) 1
Atoms with a positive net charge are
a) cations
b) anions
c) ions
d) isotope
In which compound does sulfur have an oxidation number of -2?
a) SO2
b) SO3
c) Na2S
d) Na2SO4
Which change occurs when an Sn^2+ ion is oxidized?
a) two electrons are lsot
b) two electrons are gained
c) two protons are lost
d) two protons are gained
Which half-reaction correctly represents a reduction reaction?
a) Sn^0 + 2e- -- Sn^2+
b) Br2^0 + 2e- -- 2Br-
c) Li^0 + e- -- Li+
d) Na^0 + e- -- Na+
Breaking a dish
a) chemical
b) physical
c)
d)
water evaporating
a) chemical
b) physical
c)
d)
bleaching clothes
a) chemical
b) physical
c)
d)
propane gas burning
a) chemical
b) physical
c)
d)
mashing potatoes
a) chemical
b) physical
c)
d)
What is the maximum number of electrons that can exist in the first shell surrounding an atomic nucleus?
a) 2
b) 4
c) 8
d) 18
What is the maximum number of electrons that can exist in the second energy level surrounding an atomic nucleus?
a) 2
b) 4
c) 8
d) 18
What is the maximum number of electrons that can exist in the third energy level surrounding an atomic nucleus?
a) 2
b) 8
c) 18
d) 32
how many electrons have the quantum numbers n=3 and L=2
a) 2
b) 6
c) 10
d) 18
how many electrons can have the quantum numbers n=2 and ml=0
a) 2
b) 4
c) 6
d) 8
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