Are there any organismims that are silicon based??

Answer 1

I assume you mean silicon-based as opposed to carbon-based. Which merits at least a very short discussion on what it means to be carbon-based:

When we say that life as we know it is carbon-based, what we mean is that most of the molecules that make it up use a skeleton of carbon atoms linked to each other. And like any skeleton, it allows other stuff to hang off it, connects things that would otherwise remain unconnected, and provides a kind of core structure and support.

Silicon is in the same family as carbon, so much of the chemistry it undergoes is similar. On Earth, it's actually even more common than carbon (second only to oxygen), and most rock is largely made up of silicon. So it's not a massive stretch to imagine a lifeform which uses silicon in the same way as we use carbon.

The problem is that silicon is similar to carbon, but not similar enough. Because silicon atoms have a lot more protons and electrons, they are larger than carbon atoms, don't react as well, and don't form bonds that are as strong. There's a reason why diamonds - which are pure carbon - are MUCH harder than pure silicon! Further, because they aren't as enthusiastic about bonding, they don't form some of the double- and triple- bonds that carbon regularly does, and which give it some special chemical properties as well.

So our planet is completely unsuited to a silicon-based lifeform. The bonds are weak and not as versatile. And since carbon dioxide is a gas but silicon dioxide is generally a solid, it couldn't even have similar kinds of circulation of elements and the like. But this doesn't mean that NO planet is suitable...

A planet with silicon life would have to be cold. VERY cold. Silicon only approaches carbon's stability at temperatures way below zero. This obviously also means that whatever lifeform is there is going to be using a solvent other than water predominantly as well. Ammonia has been suggested as a possible candidate.

But the bottom line, really, is that any silicon-based lifeform is going to like things that are COMPLETELY incompatible with our environmental choices... even with the kinds of environements that can be found on our planet. It would probably be a technological wonder to even share the same room! So don't hold your breath on this one.

Answer 2

Carbon varieties an huge style of sturdy chemicals in direct mixture with hydrogen, oxygen, nitrogen, sulphur and the halogens. Silicon has a miles greater limited variety. Even the least confusing sorts of carbon based life encompass quite complicated molecules and it rather is extremely no longer likely that something coming near this complexity must be accomplished with silicon because it is foundation. some form of vast chip might grant a silicon life style inspite of the undeniable fact that it is confusing to be sure the way it ought to have developed.

Answer 3

I think Michael Jackson and a few female movie stars are. Silicon would appear to have suitable properties for forming life but it never happened.

Answer 4

It has been theorized because silicon bonds in many ways like carbon.....

But on this planet all organisms are Carbon based that have ever been found.