26 questions
All _______________ except mercury are solids at room temperature.
metalloids
nonmetals
metals
mixtures
In general, nonmetals are _________________.
good conductors of electricity
malleable and ductile
good conductors of heat
gases at room temperature
In general, metals are
poor conductors of heat
brittle
poor conductors of electricity
good conductors of heat
Each row in the periodic table ends with a
metal
nonmetal
metalloid
noble gas
The most unreactive group of elements is the
halogens
noble gases
alkali metals
transition elements
Which of the following elements is not a coinage metal?
copper
gold
platinum
silver
Which category of elements have the property of being malleable and ductile?
gases
metals
metalloids
nonmetals
Which of the group 13 elements is NOT a metal?
boron
aluminum
gallium
indium
At room temperature, most metals are
gases
liquids
radioactive
solids
Substances that conduct electric current only under certain conditions are most likely to be
metals
metalloids
noble gases
nonmetals
A chemical family whose members exist as reactive diatomic molecules in the gaseous phase is the
actinide series
alkaline earth metals
transition elements
halogens
The elements in Groups 3-12 of the periodic table are the
actinides
alkaline earth metals
transition elements
halogens
A family of elements that has two electrons in its outer energy level is the
actinides
alkaline earth metals
alkali metals
halogens
Metals can be used as wire because they are
alloys
ductile
metallic
shiny
Elements in which the outer electrons are NOT held tightly are most likely to form _____________ bonds
covalent
hydrogen
metallic
radioactive
Bromine is the only halogen and nonmetal that is normally a
gas
liquid
semiconductor
solid
All synthetic elements are
liquids
needed by the human body
radioactive
useful in making plastics
Cobalt, iron, and nickel are known as the _____________ triad
nickel
cobalt
iron
steel
Three transition elements in Group 12 of the periodic table are
copper, silver, and gold
iron, nickel, and cobalt
mercury, zinc, and cadmium
neon, helium, and xenon
Any element with an atomic number greater than that of uranium is a(n)
halogen
lanthanide
transition element
transuranium element
A family of elements that contains the most reactive metals is the
noble gases
alkaline earth metals
alkali metals
transition elements
Radioactive elements comprise a majority of the
actinides
halogens
lanthanides
noble gases
Elements on the left side of the periodic table are classified as
metals
nonmetals
metalloids
gases
In a _____________ element, the nucleus breaks down and gives off particles of energy.
transition
radioactive
transuranium
metalloid
Group _________ elements are known as halogens
1
2
17
18
____________________ are elements that can form covalent or ionic bonds and are located along the stair-step line of the periodic table.
nonmetals
metals
metalloids
transition