The Balmer-Rydberg equation can be extended to ions with only
one electron, such as He+. In...
The Balmer-Rydberg equation can be extended to ions with only
one electron, such as He+. In that case it has the form: 1/λ =
Z2R(1/m2 - 1/n2), where Z is the atomic number.
What is the energy of the photon required to promote an electron in
He+ from a 1s orbital to a 2p orbital? A) (3/4)hcR
B) 3hcR
C) 4hcR
D) 12hcR
And please explain if possible
(A) Explain the atomic origins of elasticity in a metal, polymer
and ceramic material. Use atomic...
(A) Explain the atomic origins of elasticity in a metal, polymer
and ceramic material. Use atomic force diagram to illustrate your
answer.
(B) Explain why powder diffraction is often used as an
analytical tool in materials research. What is the information can
it provide? ( C)Sketch and label the basic cubic Perovskite
structure and briefly explain how it can be used for the following
applications: i. Sonar or ultrasound ii. Superconductivity iii.
Microwave dielectrics iv. Ionic conduction With regard to...
Quantom Theory and the Electronic structure of atoms;
1- determine the maximum number of electrons that...
Quantom Theory and the Electronic structure of atoms;
1- determine the maximum number of electrons that could be
found in each of the following subshells: 3s, 3d, 4p, 4f, 5f.
2-indicate which of the following sets of quantum numbers in
an atom are unacceptable and explain why: a) (1,0,½,½), b)
(3,0,0,+½), c) (2,2,1,+½), d) (4,3,2,+½), e) (3,2,1,1)
3-write the ground-state electron configurations for the
following elements: B, V, Ni, As, I, Au.
Specify the group on the periodic table
in which each of the following elements is found:...
Specify the group on the periodic table
in which each of the following elements is found: a)
[Ar]4s1 b)
[Ar]4s23d104p3 c)[Ne]3s23p3 d) [Ar]4s23d6
Answer Question 4.44 from the back of the
chapter: On the basis of their
positions in the periodic table, select the atom with the larger
atomic radius in eachof the following pairs: a)
Mg, P; b) Sr, Be; c) As, Br; d) Cl, I; e) Xe, Kr
1.The first thing needed was to add 3 drops of HCl to
precipitate the ions out...
1.The first thing needed was to add 3 drops of HCl to
precipitate the ions out as chlorides
of Ag 2+ , Hg 2+, and Pb 2+ . Do you think that 3 drops of HCl will
be enough to precipitate all of these three ions? If not, what
would you do to check?
If you didn’t get any precipitation with the addition of the
HCl, which would you conclude? (choose one of the following)
a. You do not have...