Chapter 7 Quiz

Review of attempt 1

Started on Tuesday, 27 March 2012, 07:55 PM

Completed on Tuesday, 27 March 2012, 08:15 PM

Time taken 19 mins 55 secs

Grade 10 out of a maximum of 10 (100%)

Question1Marks: 1

Which of the following statements is/are correct?

i. Nodes cannot really exist because an electron has to cross between the two lobes ocassionally.ii. the principal quantum number, n, controls the shape of an orbital.iii. the quantum number ml determines the number of d orbitals found at an n=3 level.

Choose one answer.

a. i only

b. ii only

c. iii only

d. i and ii

e. ii and iii

CorrectMarks for this submission: 1/1.

Question2Marks: 1

Which of the following statements is/are correct?

i. if n = 5, l = 2 is an allowed value.

Finish review

ii. the principal quantum number, n, mainly determines the energy of an orbital.iii. the quantum number ml determines the spin of an electron.

Choose one answer.

a. i only

b. ii only

c. iii only

d. i and ii

e. ii and iii

CorrectMarks for this submission: 1/1.

Question3Marks: 1

What is the correct electron configuration for copper?

Choose one answer.

a. [Ar]4s23d8

b. [Ar]4s23d9

c. [Ar]4s13d10

d. [Ar]3d10

e. [Ca]3d9

CorrectMarks for this submission: 1/1.

Question4Marks: 1

Consider the electron filling order. If the electron configuration for an atom is [Ne]3s23px

13py1, where would the next electron be placed?

Choose one answer.

a. 3px

b. 3py

c. 3pz

d. 4s

e. 5f3d

CorrectMarks for this submission: 1/1.

Question5Marks: 1

Which of the following electron configurations is correct for the Fe3+ ion?

Choose one answer.

a. 1s22s22p63s23p64s23d6

b. [Ar]4s23d6

c. 1s22s22p63s23p63d6

d. [Ar]3d5

e. [Ar]4s23d3

CorrectMarks for this submission: 1/1.

Question6Marks: 1

An element that has the valence electron configuration 3s23p3 belongs to which period and group?

Choose one answer.

a. period 3; group 3

b. period 3; group 5

c. period 4; group 3

d. period 4; group 5

CorrectMarks for this submission: 1/1.

Question7Marks: 1

Consider the electron filling order. If the electron configuration for an atom is [Ar]4s2, where would the next electron be placed?

Choose one answer.

a. 3px

b. 3py

c. 3pz

d. 4d

e. 3d

CorrectMarks for this submission: 1/1.

Question8Marks: 1

To reach a noble gas electron configuration how many electrons would sulfur have to adopt?

Choose one answer.

a. 1

b. 2

c. 6

d. 8

CorrectMarks for this submission: 1/1.

Question9Marks: 1

Which element, indicated by letter on the periodic table above, has a 1+ ion with the

electron configuration 

Choose one answer.

a. A

b. B

c. C

d. D

CorrectMarks for this submission: 1/1.

Question10Marks: 1

Which element, indicated by letter on the periodic table above, has a 3+ ion with the electron configuration [Kr]4d5?

Choose one answer.

a. A

b. B

c. C

d. D

CorrectMarks for this submission: 1/1.

Finish review