Why is it so hard to hold the road in my hand a little bit?

Both salt and sugar crystals begin to dissolve in the water, but the sugar is sticky and salt is not. Why so?

Sugar is a favorite of many people. But the believers of sweet candy and sugar . must be very annoyed to leave it alone, the sugar has melted and it sticks to the hand. However, why is the sugar so sticky?

Hydrogen bond - key to explain the stickiness of sugar

According to scientists, hydrogen bonds are the key to explaining the stickiness of sugar. When not yet merged into the water, sugar is a solid, its molecules are carbon, hydrogen and oxygen atoms.

Picture 1 of Why is it so hard to hold the road in my hand a little bit?
Sugar crystals don't stick together, so you can easily screen and pour sugar.

Sugar crystals don't stick together, so you can easily screen and pour sugar. But with the presence of steam, liquid, strong oxygen-hydrogen bonds in the road will be broken, and liquid hydrogen atoms will look for something else to stick to.

Picture 2 of Why is it so hard to hold the road in my hand a little bit?

Some hydrogen atoms will stick to the nearest surface, some will take hydrogen molecules in the water, others will bind to another hydrogen or oxygen atom in the sugar. As a result, the sugar becomes a sticky mixture.

If you keep sugar in your hand, even a small amount of sweat can make your hands sticky because the sugar is sticky.

With "twin brother" is salt - contains sodium and chlorine. When dissolved in water, there is no hydrogen around the salt to stick to anything.

But what about water? Its molecules are also partially formed by hydrogen - why doesn't water become sticky like sugar when combined with some other substances?

Picture 3 of Why is it so hard to hold the road in my hand a little bit?
The truth is that the structure of the road is more complex than water.

The truth is that the structure of the road is more complex than water. A sugar molecule contains 12 carbon atoms, 22 hydrogen atoms and 11 oxygen atoms - and more hydrogen bonds than a water molecule.

When the links in the road are broken, the molecules will immediately capture whatever they come in contact with, including other sugar molecules.

Each water molecule contains only two hydrogen atoms and one oxygen atom, so it does not have many "sticky points".

Therefore, when dissolved, sugar will stick and salt and water will not.