Electron Configuration and Valence Electrons

Question 1

1s2 2s2 2p6 3s2 3p6 4s2 3d6 is the e- config. for iron, what is the noble gas config?

Accepted Answer

[Ar] 4s2 3d6

Question 2

How many electrons can fit in an orbital?

Accepted Answer

2

Question 3

What is the electron configuration of Iron (Fe)?

Accepted Answer

1s2 2s2 2p6 3s2 3p6 4s2 3d6

Question 4

How many elements are classified as 'S' orbitals?

Accepted Answer

14

Question 5

What sublevel does Zirconium (Zr 40) exist in?

Accepted Answer

4d

Question 6

What is the shape of 'S' orbitals?

Accepted Answer

sphere

Question 7

All elements in the same column have the similar properties because they have the same _______.

Accepted Answer

number of valence electrons

Question 8

What does an arrow represent in an orbital filling diagram?

Accepted Answer

electron

Question 9

Which of the following elements have 4 valence electrons?

Accepted Answer

None of the above

Question 10

What element is depicted by the orbital filling diagram?

Accepted Answer

Ge

Question 11

Which sublevel does NOT exist?

Accepted Answer

6f

Question 12

How many valence electrons does iron (Fe) have?

Accepted Answer

2

Question 13

Which of the following elements have 7 valence electrons?

Accepted Answer

All of the above

Question 14

The exact _____ & _____ of an electron, in any instance, cannot be determined at the same time.

Accepted Answer

position & momentum

Question 15

What color was Mr. McCullough's shirt yesterday?

Accepted Answer

Blue

Question 16

The crash course chemistry video from yesterday...

Accepted Answer

Didn't help at all..., Helped a little..., Helped A LOT!!!, Jogged my memory from the week prior...

Question 17

How many valence electrons does Ge have?

Accepted Answer

4

Question 18

How many orbitals exist in a 'd' sublevel?

Accepted Answer

5

Questions 18