20.7k views
3 votes

Which of the following elements is inert, meaning it is not reactive?

Cesium

  Gold  
Iodine

 
Xenon

Thanks!
User Jayrythium
by
7.4k points

2 Answers

6 votes

Answer:

Xenon

Step-by-step explanation:

Xenon has 8 valence electrons, and when an element has 8 valence electrons, they are non-reactive. 8 is the "happy" number!

User Maulik Dhameliya
by
8.7k points
3 votes
It's Xenon because it barely ever reacts and is considered an inert element. 
User Marquies
by
7.8k points
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