Do we have freedom of choice?

You might think that I am a person who believes in fate, but I'm not. Let's think of it from a scientific point of view. For example, you see an apple and you want to eat it. Why do you want to do that? Maybe your tongue has cells that react on the apple. Maybe you have some memories from your childhood when your grandparents gave you apples from their kitchen garden. Everything has a reason. Let's think of another thing. If you throw a ball into the air you know for sure that it will fall down. If you know its mass and the falling speed of gravity, you can calculate the time when it will land.

You have strayed away here and gone into a different realm and not connected the two together 

(Now, let's imagine that we can calculate it for all the atoms of some object. It would mean that we could predict its behaviour. Our brain also consists of atoms. So it could be possible to predict a person's action. Some physicists think that our universe is chaotic at an atomic level, but can we say that we have a freedom of choice if atoms of our brains behave chaotically?)

you are saying predict the fall of something due to gravity in previous statement (sentence) this is not the prediction of the behaviour of an atom 

so I have only corrected   at an atomic level, but

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        Suggestions

Now, let's imagine that we can ALSO PREDICT  the behaviour of atoms in our brains. It would mean that we could predict our behaviour. Our brains also consist of atoms. So it could be possible to predict a person's action. Some physicists think that our universe is chaotic at an atomic level, but can we say that we have a freedom of choice if atoms of our brains behave chaotically?

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You may think I am a person who believes in fate, but I'm not. Let's examine fate from a scientific point of view. For example, when you see an apple you want to eat it. Why do you want to eat it?  Maybe your taste buds are reacting to the apple. Maybe you have memories from your childhood of when your grandparents gave you apples from their kitchen or their garden. Everything happens for a reason. Let's consider another thing. If you throw a ball into the air you know, for certain,  that it will fall down. If you know the mass and start speed, you can even calculate how long it will take to fall. Now, let's imagine that we can calculate (it)* for all the atoms of an object. This would mean that we could predict its behaviour. Our brains our also made up of atoms. So isn't it possible to predict a person's actions? Some physicists think that our universe is chaotic on an atomic level. How can we say that we have freedom of choice if the atoms of our brains behave chaotically?

*Calculate what?