• Support PF! Buy your school textbooks, materials and every day products via PF Here!

I need some homework help

  • Thread starter Pechy
  • Start date
WHy is the first ionization energy for sodium much smaller than the secon ionization energy for sodium? i dont understand this.
 

Hootenanny

Staff Emeritus
Science Advisor
Gold Member
9,598
6
Hi there Pechy and welcome to PF,

Why do you think it is? Think about shell configuration and atomic charge.
 

lightgrav

Homework Helper
1,248
30
Shell configuration ??
Atomic charge total is zero ... the ionized sodium is a positive ION.

THAT is the main reason the second electron is much harder to remove ...
for ANY object, not just a sodium atom/ion.
 

Related Threads for: I need some homework help

Replies
2
Views
2K
Replies
4
Views
935
K
Replies
1
Views
1K
J
Replies
5
Views
2K

Physics Forums Values

We Value Quality
• Topics based on mainstream science
• Proper English grammar and spelling
We Value Civility
• Positive and compassionate attitudes
• Patience while debating
We Value Productivity
• Disciplined to remain on-topic
• Recognition of own weaknesses
• Solo and co-op problem solving
Top