How much atoms are in a grain of sand

Do you have some good estimate? Improve this question. Saladino Saladino 1 1 gold badge 2 2 silver badges 8 8 bronze badges. How big a grain of salt?

Perhaps one that contains at least as many stars as the observable Universe. Add a comment. Active Oldest Votes. Improve this answer. Inertial Ignorance Inertial Ignorance 4 4 silver badges 21 21 bronze badges.

Community Bot 1. John Rennie John Rennie k gold badges silver badges bronze badges. And Neil She has already learned all she needs to know Hugs to you both Quote from: Karen W. Yes I know I am.. Your just a big softy!!! Pages: [ 1 ] Go Up. Similar topics 5. Bosenova "missing" atoms? There was an error while thanking. How many atoms is in a grain of sand? What is the strongest muscle in your body? What is the longest thing in your body? What human has the biggest mouth in the world?

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How do we know Moonquakes happen? The answer is 3. If a medium grain of sand takes up 0. Pssst , pay attention here That means that there are 43 quintillion atoms in one grain of sand. This bit was a little trickier. So I had to look it up and the estimates vary from between 7.

It seems that all of these estimates are ignoring the deserts and the ocean, so I think that we can say that even the upper estimate here is quite conservative. So that means that, even being fairly conservative with our estimates, and to answer our original question, there are more grains of sand on the Earth than there are atoms in one grain of sand, by at least three orders of magnitude. Mind blowing! H2O has a density of 1 gram per mL and The volume of all the oceans in the world is estimated to be 1,,, cubic kilometers, or 1.

You get off lightly this time, Sam.