Ch 5 3/3 Question Preview (ID: 4837)
Periodic Table.
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In his version of the periodic table, Mendeleev based the arrangement of elements was based on
a) atomic number
b) name
c) chemical symbol
d) atomic mass
The order of elements in the modern periodic table is based on an elements
a) atomic number
b) name
c) chemical symbol
d) atomic mass
Elements within the same group in the periodic table have similar properties because they have the same number of
a) protons
b) neutrons
c) ions
d) valence electrons
Which statement about noble gases is correct
a) they form compounds with very bright colors
b) they exist as single atoms rather than as molecules
c) they are highly reactive with both metals and non metals
d) they are extremely rare
Which element is a semiconductor
a) carbon
b) silicon
c) sodium
d) uranium
Elements that are found in the same group have the same number of
a) protons
b) neutrons
c) valence electrons
d) protons and neutrons
metals tend to be
a) gases
b) good conductors of heat and electricity
c) dull
d) brittle
Which is not a family of the periodic table
a) alkaline earth metals
b) anions
c) halogens
d) noble gases
Most halogens form compounds by
a) gaining an electron to form a negative ion
b) losing an electron to form a positive ion
c) losing protons
d) joining with both calcium and carbon
Silicone, a semiconductor,is often found in
a) air
b) computers
c) steel
d) wood
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