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WorksheetsIntroduction to The Periodic Table of Elements
Total questions: 15
Worksheet time: 8mins
Which list of elements contains a metal, a metalloid, and a
nonmetal?
Ge, As, Ne
S, Cl2, Ar
K, Cu, Br2
Ag, Si, I2
All of the atoms of the elements in Period 2 have the same
number of
occupied principle energy levels
protons
valance electrons
neutrons
On the modern Periodic Table, the elements are arranged in order
of increasing
mass number
atomic number
oxidation state
average atomic mass
At STP, which list of elements contains a solid, a liquid, and a
gas?
Se, Sn, Sr
Cr, Cl2, C
Ba, Br2, B
Hf, Hg, He
As the elements in Group 15 are considered in order of increasing
atomic number, which sequence in properties occurs?
metal --> metalloid --> nonmetal
nonmetal --> metalloid --> metal
metalloid --> metal --> nonmetal
metal --> nonmetal --> metalloid
Which element is a liquid at STP?
iodine
cesium
bromine
francium
Which element is an alkali metal?
Al
Mg
Na
Cl2
Which substance at STP exists in the form of a monatomic gas?
nitrogen
neon
chlorine
oxygen
Which element is a member of the halogen family?
K
I
B
S
Which list represents the classification of the elements nitrogen,
neon, magnesium, and silicon, respectively?
metal, metalloid, nonmetal, noble gas
noble gas, metal, metalloid, nonmetal
nonmetal, metalloid, noble gas, metal
nonmetal, noble gas, metal, metalloid
The element sulfur is classified as a
metalloid
metal
nonmetal
noble gas
Which elements form ions that are usually colored in solid compounds and in solutions?
alkali metals
halogens
alkaline earth metals
transition metals
Which elements have the most similar chemical properties?
argon and silver
aluminum and bromine
oxygen and sulfur
boron and carbon
Which Group 15 elements exists as diatomic molecules at STP?
phosphorus
nitrogen
bismuth
arsenic
Which element is a metalloid?
Al
Ar
As
Au
