The screen on the iPhone 4S is made of Gorilla glass.
4 wheel drive S power.
If you mean IPhone 4S the difference is that 4S has Siri, which is like a voice assistant on your phone.
Ipod touch vs Iphone 4s. Iphone 4s can hold ALOT more data than the Ipod touch, also the Iphone 4s has a higher rating than the Ipod touch. Its honestly up to you but based on the people that have each its usually chosen that Iphone 4s is better.
when you buy the phone on the covering/box it will have all the description and if not hold the home button and if siri comes up then it is a 4s.
the first iphone was made in 2007 by steve jobs. But the Iphone 4s waws made afterwards hahahahaahhahahah search it up:))
Because a full 4s orbital is more stable than a full 3d and half full 4s. So, the last 3d electron jumps up to the 4s orbital.
More durable, yes, if thats what you mean.
4s 3p 3s 2p 1s This is probably one of the easiest chemistry problems in the book, you should probably look it up.
16s + 4s = 20s
16s + 4s = 20s
4S