Chemistry Periodic Trends Quiz #1
Terms in this set (45)
Elements in the periodic table are listed in order of increasing _______ ________.
The elements were first arranged in this way in 1869 by _________ _________.
Families of elements with similar ___________ ______________ lie in the same
vertical column in the periodic table.
Families are also called _____________.
label the families on the periodic table below.
b. alkaline earth metals
Most elements are ____________.
Metals have the following characteristic physical properties
a: efficient conduction of heat and electricity
d: a shiny appearance
The relatively small number of elements that appear in the upper right hand corner of the periodic table are called ________________.
Most metals are ________ at normal temperatures.
Many nonmetals are ___________.
One nonmetal, __________, is liquid at room temperature.
Elements that lie close to the stair step line on the periodic table show a mixture of
metallic and ______________ properties.
These elements are called ___________________ or _______________.
metalloids or semimetals
The periodic table is a valuable tool for ________________ knowledge and it helps us
to _____________the properties of elements.
label the metals, non-metals and metalloids
As you go down the alkali metal group, the metals become more _____ to ______ an electron.
This is because as we go down the group, the electron being removed resides, ______ and ________ away from the nucleus.
farther and farther
The nucleus has an attractive ___________ charge.
The trend for alkaline earth metals is the farther down in the group the metal resides,
the ______ likely it is to lose an electron.
Nonmetals also ___________ in their properties.
Non metals _____ electrons from metals.
The most reactive non-metals reside in the _______ ________ corner of the periodic
Atoms get ___________ as we go down a group in the periodic table.
Atoms get ___________ as we go from left to right across a period
The increase in size down a group is because as the _________ ________ level
increases, the average distance of the electrons from the nucleus also increases.
Atoms get ____________ as electrons are added to larger principal energy levels.
All orbitals in a given principal energy level are expected to be the ________ size.
The number of ___________ in the nucleus increases as we move across the period.
The increase in ___________ charge on the nucleus pulls the _____________ closer
to the nucleus.
As electrons are added in a given principal energy level, the atoms get ___________ as
the electron cloud is drawn in by the increasing nuclear charge.
The ______________ ____________ of an atom is the energy required to remove an
electron from an individual atom in the gas phase.
Metals have relatively _______ ionization energies.
A relatively ________ amount of energy is needed to ________ an electron from a
Metals at the ____________ of a group lose electrons more easily.
Ionization energies tend to ______________ in going from the top to the bottom of a
Nonmetals have relatively ________ ionization energies.
Nonmetals tend to __________ electrons.
Ionization energies tend to ____________ from left to right across a given period.
s block, p block, d block and f block
Characteristics of Alkali Metals(6)
-end in s1
-need to lose 1e- to have a noble gas configuration
-reactivity increases as you go down the family
Characteristics of Alkaline Earth Metals(3)
-end in s2
-need to lose 2e- to have noble gas configuration
Characteristics of Halogens (4)
-combine easily with alkali metals
-electron configuration ends in p5
-need to gain 1e- to achieve noble gas configuration
-7 valance electrons
Characteristics of Noble Gases(2)
-filled outer electron shells
-do not form chemical compounds easily
Characteristics of Transition Metals (2)
-electrons added to the d orbitals
- good conductivity of electricity and have a high luster
Characteristics of Inner Transition Metals
-electrons aded to the f orbitals
- two long rows below the main table
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