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RSB [31]
3 years ago
15

Order the following from smallest to largest

Chemistry
1 answer:
Dmitry [639]3 years ago
8 0

1. Quark

2. Electron

3. Proton and Neutron

4. Nucleus

5. Atom

6. Molecule

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The primary food source for many sea animals is:
borishaifa [10]

Answer:

plankton

Explanation:

like in spongebob lol but for real I'm a marine biologist I know this is the answer lol

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Write 10,847,100 in Scientific Notation with 4 significant figures.
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Answer:

The number 10,847,100 in Scientific Notation is 1.0847x10^{7}

Explanation:

Scientific notation is an easy form to write long numbers and it is commonly used in the scientific field. To write a long number in a shorter way it is necessary to 'move' the decimal point to the left the number of positions that are necessary until you get a unit. Then you write the number and multiplied it by 10 raised to the number of positions you moved the decimal point. In this case, it is necessary to move the decimal point 7 positions so, we multiply the number by 10 raised to 7.

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The chemical formula H2O represents one molecule of water.
Gennadij [26K]

There is a total of three atoms present in the water (H₂O) molecule.

<h3>What is an atom?</h3>

An atom is the smallest particle of an element that may or may not be capable of independent existence.

<h3>What is a molecule?</h3>

A molecule is the smallest particle of an element or compound that can exist freely.

<h3>What is a subscript?</h3>

Subscripts are the numbers that come below after a symbol. They tell you the number of atoms of an element. If there is no subscript then it is understood that the subscript is 1.

<h3>How to calculate the number of atoms in a molecule?</h3>

For calculating the number of atoms in a molecule, add the subscripts of that molecule, and you will get the total atoms of it.

For example, in molecule C₂H₅O, there are 2 carbon atoms, 5 hydrogen atoms, and 1 oxygen atom.

Add the subscripts

2 + 5 + 1 = 8

Hence, there is a total of 8 atoms in C₂H₅O.

For the H₂O molecule,

2 + 1 = 3

Hence, there is a total of 3 atoms present in one water molecule.

Learn more about atoms and molecules:

brainly.com/question/17869588

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7 0
1 year ago
What two things are responsible for most weathering and erosion?
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What planets are gas giants
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Answer:

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Explanation:

Mainly they are gas giants just because of their distance from the sun and the materials that they picked up at the dawn of the Solar system 3.3 billion years ago.

8 0
3 years ago
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