Download Chemistry Study Cards Chapter 5 (3-2) The length of each period in

Chemistry Study Cards
Chapter 5 (3-2)
The length of each period in the
sublevels being filled with electrons.
periodic table is determined by the
The elements that border the zigzag
metalloids.
line in the periodic table are
The most characteristic property of the
noble gases is that they
are largely unreactive
Compared to the alkali metals, the
alkaline-earth metals
Atomic size is determined by measuring
the
The element that has the greatest
electronegativity is
are less reactive.
In a row in the periodic table, as the
atomic number increases, the atomic
radius generally
Within a group of elements, as the
atomic number increases, the atomic
radius
decreases
In the alkaline-earth group, atoms with
the smallest radii
have the highest ionization energies
As the atomic number of the metals of
Group 1 increases, the ionic radius
increases
Across a period in the periodic table,
atomic radii
gradually decrease
Which is the best reason that the
atomic radius generally increases with
atomic number in each group of
elements?
the number of energy levels increases
distance between nuclei of adjacent
atoms.
fluorine
increases
As you move left to right from gallium
through bromine, atomic radii
generally decrease
The energy required to remove an
electron from an atom ____ as you
move left to right from potassium
through iron.
The force of attraction by Group 1
metals for their valence electrons is
generally increases
weak
The electrons available to be lost,
valence electrons
gained, or shared when atoms form
molecules are called
When chemical compounds form,
lost, gained, or shared.
valence electrons are those that may be
The number of valence electrons in
Group 1 elements is
1
The number of valence electrons in
Group 17 elements is
7
The number of valence electrons in
Group 2 elements is
2
As you move down the periodic table
from carbon through lead, atomic radii
generally increase
elements in a group or column in the
periodic table can be expected to have
similar
a horizontal row of blocks in the
periodic table is called
properties
the length of each period in the
periodic table is determined by the
sublevels being filled with electrons
period