How many valence electrons does an atom of antimony, Z =
51, have?
How many valence electrons does an atom of fluorine, Z = 9,
have?
How many valence electrons does an atom of sodium, Z = 11,
have?
How many valence electrons does an atom of aluminum, Z =
13, have?
How many total electrons and valence electrons are found in an
atom of each of the following elements? What is the number of the
principal energy level in which the valence electrons are
found?
A )Mg D) B
B)
K
E) Ar
C)
C
F) Xe
A) How many core electrons and valence electrons make up a
carbon atom?Core electrons _______________Valance electrons _______________B) What kind of orbitals are carbon’s valence electrons in? (It
may be helpful to draw an orbital diagram.)
TeF5- anion.
a) How many valence electrons does Te have?
b) How many valence electrons does F have?
c) Write the Lewis structure of TeF5 - anion:
d) Assign formal charges to each atom in the Lewis structure of
the TeF5 - anion.
e) What is the hybridization of the orbitals on the central atom
in the anion TeF5 -?
d) Predict the molecular geometry of the TeF5 - anion: