Imagine something so tiny, you would need a super powerful microscope just to see it. That’s how small a hydrogen atom is. It’s one of the most fundamental building blocks of the universe, and yet it’s so small, we can’t see it with our naked eyes. In this article, we’re going to take a closer look at the hydrogen atom, especially its size, and put it into perspective by comparing it to other things.
A hydrogen atom is very, very small. To give you an idea of just how small it is, imagine this: if an atom was the size of a stadium, a hydrogen atom would be about as big as a pea sitting in the middle of that stadium. That’s tiny! On average, a hydrogen atom measures about 0.00000000005 millimeters. That’s a lot of zeroes! To put it into perspective, if you lined up hydrogen atoms side by side, it would take about 20 million of them to measure a single millimeter.
To better understand the size of a hydrogen atom, let’s compare it to some other things:
Despite their tiny size, hydrogen atoms have a massive impact on the universe. They make up about 75% of all the mass in the universe. That’s a lot of hydrogen atoms! Hydrogen atoms are also extremely important for life as we know it. They combine with other atoms to form water, which is essential for all known forms of life. They also combine with carbon to form a variety of different organic compounds that make up the building blocks of life.
Even though they’re too small to see, hydrogen atoms are everywhere. They’re in the water we drink, the air we breathe, and in the stars in the night sky. So, the next time you take a sip of water or look up at the stars, think about the tiny hydrogen atoms and their big role in the universe.
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