How many electrons does a neutral potassium atom have? How
many protons? How many electrons does a neutral fluorine atom have?
What happens in the molecule of potassium fluoride?
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
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:
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.)