C06.7 Noble Gas Configuration Lecture

Multiple Choice

Which subshell is the last to receive electrons for copper, Cu (z=29)?

• 4f

• 4d

• 3p

• 4p

• 3d

What subshell fills after the 3d?

Fill in the Blanks

What subshell fills after the 3d?

What noble gas would be used for the noble gas configuration of cobalt, Co?

Fill in the Blanks

Which noble gas would be used for the noble gas configuration of cobalt, Co (z=27)?

What element?
[Ne]3s¹

Fill in the Blanks

What element has the electron configuration of [Ne]3s¹

How many valence electrons?

Fill in the Blanks

How many valence electrons?

​https://youtu.be/h5R6EMiqlUY?si=lXXL-Hekn9G9ls6a

What is the electron configuration of the sodium ion?

Multiple Choice

What is the electron configuration of the sodium ion, Na⁺ (z=11)?

• $$\left[Na\right]$$

• $$\left[He\right]2s^22p^6$$

• $$\left[Ne\right]3s^1$$

• $$\left[Ne\right]1s^22s^22p^63s^1$$

When an atom and an ion have the same electron configuration they are said to be ____________

Multiple Choice

When an atom and ion have the same electron configuration they are said to be ________

• isoelectronic

• congruent

• analogous

• None of these. Two species cannot have the configuration

​Also some of the transition metal ions, but you do NOT need to know those in this class.

Which noble gas is isoelectronic with the strontium ion, Sr²⁺?

Fill in the Blanks

Which noble gas is isoelectronic with strontium ion, Sr²⁺?

Self-Pace Mode

Multiple Choice

Which noble gas would be used for the noble gas configuration of magnesium, Mg (z=12)?

• He

• Ne

• Ar

• Kr

• Xe

Multiple Choice

Which noble gas would be used for the noble gas configuration of oxygen, O (z=8)?

• He

• Ne

• Ar

• Kr

• Xe

Fill in the Blanks

What is the noble configuration of chlorine, Cl (z=17)?

Use ^ for superscripts.

Fill in the Blanks

How many core electrons does silicon have?

Fill in the Blanks

How many valence electrons?

Multiple Choice

Which of the following pairs of ions are isoelectronic?

• Na⁺ and Cl^-

• Cl^- and F^-

• K⁺ and P^3-

• Ca²⁺ and Mg²⁺

Fill in the Blanks

How many valence electrons?

Multiple Choice

Which of the following pairs of ions are isoelectronic?

• Na⁺ and Cl^-

• Cl^- and F^-

• K⁺ and Br^-

• Ca²⁺ and S^2-

Multiple Choice

What is the electron configuration of the selenium ion, Se^2– (z=34)?

• [Ar]4s²4p⁶

• [Ar]4s²4d¹⁰4p⁶

• [Ar]4s²3d¹⁰4p⁶

• [Ar]4s²4d¹⁶

• [Ar]4s²4d⁶4f¹⁰

The End