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Ch 5 3/3
Test Description: Periodic table
Instructions: Answer all questions to get your test result.
1) In his version of the periodic table, Mendeleev based the arrangement of elements was based on
A
atomic number
B
chemical symbol
C
name
D
atomic mass
2) The order of elements in the modern periodic table is based on an elements
A
atomic number
B
atomic mass
C
chemical symbol
D
name
3) Elements within the same group in the periodic table have similar properties because they have the same number of
A
neutrons
B
protons
C
ions
D
valence electrons
4) Which statement about noble gases is correct
A
they form compounds with very bright colors
B
they are extremely rare
C
they are highly reactive with both metals and non metals
D
they exist as single atoms rather than as molecules
5) Which element is a semiconductor
A
uranium
B
carbon
C
silicon
D
sodium
6) Elements that are found in the same group have the same number of
A
protons
B
valence electrons
C
neutrons
D
protons and neutrons
7) metals tend to be
A
good conductors of heat and electricity
B
gases
C
brittle
D
dull
8) Which is not a family of the periodic table
A
noble gases
B
anions
C
alkaline earth metals
D
halogens
9) Most halogens form compounds by
A
losing an electron to form a positive ion
B
losing protons
C
gaining an electron to form a negative ion
D
joining with both calcium and carbon
10) Silicone, a semiconductor,is often found in
A
wood
B
air
C
steel
D
computers
*select an answer for all questions
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