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raketka [301]
3 years ago
14

Create your own Model of an Atom. You may choose any element you would like to be represented by your model of an atom. Then pho

tograph your model and put in a PowerPoint slide then submit to the assignment box.
The model must include:

1) All parts of an atom.

2) Each part must be labeled.

3) The parts must be placed in the correct location in the atom.

plzz help fasttt due today
Chemistry
1 answer:
mart [117]3 years ago
3 0
Here this might help you added the website link: 

https://phet.colorado.edu/sims/html/build-an-atom/latest/build-an-atom_en.html



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aleksley [76]

Answer:

Gold

Explanation:

We are given that

Mass of sample ,m=385 g

Volume ,V=20mL

We have to find the coin is gold or yellow brass.

We know that

Density=\frac{Mass}{volume}

Using the formula

Density=\frac{385}{20}g/mL

Density=19.25g/mL

Density\approx 19.3g/mL

Density of coin=19.3g/mL

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Hence, the coin is gold.

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3 years ago
What happens to the electrons in an ionic bond?
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Answer:

In an ionic bonds, the metal loses electrons to become a positively charged cation, In which the nonmetal accepts those electrons to become a negatively charged anion.

Explanation:

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katrin [286]
The substance that releases the greatest amount of ions will have the greatest attractive forces within its solution, resulting in a reduced freezing point.
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NH₄I yields 2 ions
CoCl₃ yields 4 ions

Freezing points:
CoCl₃ < K₂SO₄ < NH₄I
8 0
3 years ago
If it take 20 second for 200cm3 of H25 to diffuse through a porovs pot,hours,long will it take 400cm3 of NH3 of diffuse under th
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Explanation:

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