# General Chemistry Questions of MCAT

General Chemistry Questions

Electronic Structure and Periodic Table

1. What value or values of m

l

are allowable for an orbital with l = 2?

a. 0

b. 2

c. -1

d. none of the above

e. all of the above

2. According to Bohr Theory, which of the following transitions in the hydrogen atom

will give rise to the least energetic photon?

Use the equation: E

n

= (-2.18 x 10

-18

J)(1/n

2

)

a. n = 5 to n = 3

b. n = 6 to n = 1

c. n = 4 to n = 3

d. n = 5 to n = 4

e. n = 6 to n = 5

3. Consider a 3d

xz

orbital. Which of the following statements is incorrect?

a. The xz plane is a nodal surface.

b. The xz plane divides the electron probability distribution into two identical

mirror-image halves.

c. The xy plane divides the electron probability distribution into two identical

mirror-image halves.

d. The yz plane divides the electron probability distribution into two identical

mirror-image halves.

e. The nucleus is located at a node.

4. The electronic configuration of the element whose atomic number is 26 is:

a. 1s

2

2s

2

2p

6

3s

2

3p

6

4s

0

3d

8

b. 1s

2

2s

2

2p

6

3s

2

3p

6

3d

6

4s

2

c. 1s

2

2s

2

2p

6

3s

2

3p

6

4s

2

3d

6

d. 1s

2

2s

2

2p

6

3s

2

3p

6

4s

2

3d

4

4p

2

e. none of the above

5. Which of the following has the largest radius?

a. F

b. N

c. C

d. O

e. Ne

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