Cap 3 Teoria Cuantica Y La Estructura Electronica De Los Atomos

Question 1

Which is a form of kinetic energy?

Answer 1

Thermal energy

Question 2

Which is the energy associated with the random motion of atoms and molecules?

Answer 2

Thermal energy

Question 3

What is the kinetic energy of a 353.5 g mass moving a 19.5 m/s?

Answer 3

67.2 J

Question 4

What is the wavelength of light with a frequency of 7.63 x 10 a la 14 s a la -1 ? ( c = 2.99 x 10 a la 8 m/s)

Answer 4

392 nm

Question 5

What is the frequency of light with a wavelength of 366nm? (2.99 x 10 a la 8 m/s

Answer 5

8.17 x 10 a la 14 s a la -1

Question 6

What is the energy of light with a wavelength of 481 nm? (h=6.63 x 10 a la -34 J s and c= 2.99 x 10 a la 8 m/s)

Answer 6

4.12 x 10 a la -9

Question 7

What is the wavelength of light that has an energy of 2.87 x 10 a la -21 J (h= 6.63 x 10 a la -34 J s and c = 2.9l x 10 a la 8 m)

Answer 7

6.91 x 10 a la 4nm

Question 8

What is the energy of an electron in the n = 2 state in a hydrogen atom?

Answer 8

-5.45 x 10 a la -19 J

Question 9

What is the triangleE of an electron that goes from n = 1 to n = 3?

Answer 9

1.94 x 10 a la -18 J

Question 10

What is the de Broglie wavelength of a particle having a mass of 3.15 x 10 a la -32kg moving at 5.45 x 10 a la 5m/s?

Answer 10

38.6

Question 11

What is the value for l and what subshell is represented by n = 2?
l= 1 and subshell = p
l= 0 and subshell = s
l= 1 and subshell = s and l= 0 and subshell = p
A and B

Answer 11

A and B

Question 12

How many orbitals are in a subshell designated by the quantum numbers n = 4 and l = 3?

Answer 12

7

Question 13

What is the total number of orbitals in the shell designated by n = 4?

Answer 13

16

Question 14

Which of the following is a legitimate set of three quantum numbers for n, l and m, respectively? 
2,1,0
3,3,-1
1,0,2
4,3,-4

Answer 14

2,1,0

Question 15

How many orbitals are there in the 4p subshell?

Answer 15

3

Question 16

What quantum number is responsible for the energy of orbital in an atom?

Answer 16

n

Question 17

Which of the following is a legitimate set of quantum numbers for n, l, and m, respectively, which corresponds to an 5f orbital? 
5,4,-4
3,3,-1
5,4,0
5,3,0

Answer 17

5,3,0