How do objects made of many different molecules (eg. an Apple) stay together and not fall apart into piles of powders and liquids?
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Well, the molecules in objects like an apple are held together by strong forces called chemical bonds, kind of like the glue that keeps things together
These bonds are like little magnets that attract the molecules to each other, making the apple stay solid instead of turning into powders and liquids.
The molecules of the different substances bond. Even simple things like salt water stay together – the salt molecules dissolve into the water molecules, they don’t separate out (unless there’s too much salt). The different types of stuff stay together the same way the same stuff stays together – the molecular bonds keep it together. And in something like an apple, there are things like cell walls and other barriers that help keep things in place.
there’s a thing called the strong nuclear force, also called the strong nuclear interaction, is the strongest of the four fundamental forces of nature.
it’s 6 thousand trillion trillion trillion (that’s 39 zeroes after 6) times stronger than the force of gravity, and that’s because it binds the fundamental particles of matter together to form larger particles. It holds together the quarks that make up protons and neutrons, and part of the strong force also keeps the protons and neutrons of an atom’s nucleus together.
all of this in conjuction works to make things be *things* and not a soupy mess of atomic gunk
Imagine that molecules are like tiny building blocks that make up everything around us, including your apple. These building blocks have special glue-like forces called “bonds” that hold them together, just like how you use glue to stick two things together.
So, in an apple, all the molecules are holding hands with each other, forming a tight group. This group of molecules is like a team, and they stay together because they don’t want to be alone. They’re happy being a part of the apple!
Now, sometimes when things are cut or smashed, these bonds between the molecules can break. When that happens, the apple can start to fall apart into smaller pieces because the molecules are no longer holding hands as tightly. But usually, the molecules in the apple try their best to stick together and stay as a whole, so we can enjoy eating the apple without it turning into a mess!
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