The Periodic Table Question Preview (ID: 3753)
Ch 12 Test.
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Most of the elements in the periodic table are
a) metals
b) metalloids
c) gases
d) nonmetals
Mendeleev arranged the elements by
a) density
b) melting point
c) appearance
d) increasing atomic mass
The horizontal row on the periodic table is called a(n)
a) group
b) family
c) period
d) atomic number
Which of the following tells the physical state of an element at room temperature?
a) the atomic number
b) the color of the chemical symbol
c) the atomic mass
d) the element name
How do the physical and chemical properties of the elements change?
a) within a group
b) across each period
c) within a family
d) across each group
What is necessary for substances to burn?
a) hydrogen
b) oxygen
c) helium
d) carbon
Transition metals are
a) good conductors of thermal energy
b) more reactive than alkali metals
c) not good conductors of electric current
d) used to make aluminum
The 'elements' properties follow a pattern that repeats every
a) 7 elements
b) 5 elements
c) 14 elements
d) 10 elements
The vertical column of elements of the periodic table is called a(n)
a) period
b) semiconductor
c) atomic mass
d) group
Which element group has all nonmetals?
a) K, Ca, Sc
b) Se, Br, Kr
c) V, Cr, Mn
d) As, Se, Br
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