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ADV 8th Benchmark Review 2-a
Test Description: Chemistry review for benchmark 2
Instructions: Answer all questions to get your test result.
1) Which of the following Group 15 elements has the most metallic properties
A
P
B
Sb
C
N
D
Bi
2) Pure silicon is chemically classified as a semi-metal because silicon
A
is an excellent conductor of heat and electricity
B
exhibits metallic and nonmetallic properties
C
is malleable and ductile
D
exhibits hydrogen bonding
3) The observed regularities in the properties of elements are periodic functions of their
A
oxidation states
B
mass numbers
C
non-valance electrons
D
atomic numbers
4) Elements in the Periodic Table are arranged according to their
A
relative activity
B
atomic number
C
atomic mass
D
relative size
5) In which set do the elements exhibit the most similar chemical properties
A
Al, Si, and P
B
N, O, and F
C
H, Br, and Rn
D
Li, Na, and K
6) The atomic number of an atom is determined by the number of
A
electrons
B
protons
C
isotopes
D
neutrons
7) Of the following, the group that contains elements that are the most reactive is the
A
inert gases
B
carbon family
C
alkali metals
D
alkaline earth metals
8) Unlike metals, solid nonmetals are
A
dull and brittle
B
good conductors of heat and electric current
C
malleable
D
ductile
9) Unstable atomic nuclei that release fast moving particles and energy are
A
radioactive
B
isotopes
C
alpha particles
D
alloys
10) Why is the mass of a carbon atom greater than the ttal mass of its protons and electrons?
A
The mass of a proton is greater than the mass of an electron.
B
A proton is positively charged and an electron is negatively charged
C
Most of the atom's volume is the sphere-shaped cloud of electrons
D
One or more neutrons in the nulceus add mass to the atom.
*select an answer for all questions
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