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 valence electrons do the noble gases possess in the
second period and below in the periodic table? How many valence
electrons do the noble gases possess in the second period and below
in the periodic table? 1 2 7 6 8
In S, a moving proton has an energy of 4 GeV.
S' is moving parallel to the proton with a speed of
0.8c.
Find the kinetic energy in each frame using
four-vectors.
Find the kinetic energy in each frame without
four-vectors.
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:
7. A proton with a mass of 1.67 x 10^-27kg is moving
horizontally eastward at 9.4 x 10^4 m/s as it enters a magnetic
field of strength 1.8T. The field is directed vertically
upward.
a) Calculate the magnitude and direction of the magnitude force
on the proton.
b) What is the centripetal acceleration on the proton?
c) What is the radius of the circular path the proton travels
in? Assuming it starts at a location of (0,0,0), sketch the path...