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A very rough approximation would be in the order of 1023 atoms, ie a 1 followed by 23 zeros, which is a very big number.

Given that there are over 10^21 atoms in a large grain of sand, weighing 0.03g there will be a lot more (maybe x10 or x100) in a grain of rice (which is much larger than a grain of sand). Note that rice is organic so will have a lot of hydrogen atoms as well as carbon, oxygen, nitrogen, and many others in lesser degree.

The previously stated answer of "30,000 atoms in one grain of rice" is absurd. Either the poster is testing how long it takes for an incorrect answer to be fixed or is quite ignorant of atomic dimensions (or both!).

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Wiki User

βˆ™ 11y ago
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AnswerBot

βˆ™ 2mo ago

On average, a single grain of rice weighs about 0.02 grams.

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Wiki User

βˆ™ 10y ago

Rice grains vary widely. Most grains weigh 20-30 mg, although experimental breeding has produced them as large as 78 mg.

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Wiki User

βˆ™ 15y ago

put it on a weighing scale for food. it weighs about a gram.

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Wiki User

βˆ™ 16y ago

That depend on the type of grains of rice and their average weight

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Wiki User

βˆ™ 13y ago

A weight of 3500 grains of rice is approx. 2.224 Newtons.

A mass of 3500 grains is approx. 226.8 grams.

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βˆ™ 14y ago

typically 2-3 grams

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blytle11

Lvl 2
βˆ™ 2y ago

1023 roughly.

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a hess

Lvl 1
βˆ™ 1y ago
That’s misleading.. Maybe its a typo but the more reasonable answer would be 10^23. nothing visible to the human eye would have less than 10^10 atoms.

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Anonymous

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βˆ™ 4y ago

2 oz

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Anonymous

Lvl 1
βˆ™ 3y ago

10 g

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Q: How much does a grain of rice weigh?
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A metric unit of a grain of rice?

A grain of rice is several milligram. A large paper clip might weigh as much as a gram.


How much does a grain of rice weigh in grams?

Since one grain of rice weighs between 20-30 mg, it weighs about .2-.3 grams.


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The weight of rice can depend on the specific type of rice grain. For example, a cup of uncooked long-grain white rice can weigh about 150 grams, and a cup of raw long-grain brown rice can weigh 165 grams.


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On average, a single grain of rice weighs about 0.02 grams. Therefore, 39 grains of rice would weigh around 0.78 grams.


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On average, a single grain of rice weighs about 0.02 grams. Therefore, 2000 grains of rice would weigh around 40 grams.


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One grain of rice contains about 4 calories of energy.


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How much does a trillion grains of rice weigh?

On average, a single grain of rice weighs about 0.02 grams. Therefore, a trillion grains of rice would weigh about 20 billion grams, which is equivalent to 20 million kilograms or 20,000 metric tons.


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