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4 years ago

The particle picture is best described as...

Chemistry

1 answer:

mixas84 [53]4 years ago

8 0

Answer:

Both are pure substances and a compound

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The atom fluorine generally will become _____ stable through the formation of an ionic chemical compound by accepting _______ e

larisa86 [58]

The atomic number of Fluorine is 9

Valence (outer) electron configuration is : 2s²2p⁵

Therefore, it requires 1 electron in the p-orbital to complete its octet of 8 electrons.

Thus, the atom Fluorine generally will become more stable through the formation of an ionic chemical compound by accepting 1 electron from another atom. This process will fill its outer energy level.

Ans: A) more, 1

3 0

4 years ago

Read 2 more answers

Which of the following would cause a decrease in the volume of a sealed balloon filled with air? (2 points) addition of another

monitta

A decrease in temperature will cause a decrease in the volume of a sealed balloon filled with air. Temperature and pressure usually act together.This is because, reducing the temperature of a volume of gas will reduce the kinetic energy of the atoms of the gas, leading to a slower movement of the atoms and thus reducing the number of time the particles of the gas collide will the wall of the container; this means that the pressure has been reduced. This will reduce the volume of the gas. The reverse is also true.

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4 years ago

How many molecules of N2O4 are in 76.3g N2O4? The molar mass of N2O4 is 92.02 g/mol.

Murrr4er [49]

Answer:

4.99*10²³ molecules of N₂O₄ are in 76.3 g of N₂O₄

Explanation:

Avogadro's Number is the number of particles that make up a substance (usually atoms or molecules) and that can be found in the amount of one mole of said substance. Its value is 6.023*10²³ particles per mole. Avogadro's number represents a quantity without an associated physical dimension. Avogadro's number applies to any substance.

You know that the molar mass of N₂O₄ is 92.02 g/mol, and you have 76.3 g. Then you can apply the following rule of three: 92.02 grams are present in 1 mole of the compound, 76.3 grams in how many moles are they?

$amount of moles= \frac{76.3 grams*1 mole}{92.02 grams}$

amount of moles= 0.83 moles

Then, you can apply another rule of three: if by definition of Avogadro's number 1 mole of the compound has 6.023*10²³ molecules, 0.83 moles of the compound, how many molecules will it have?

$amount of molecules= \frac{0.83 moles*6.023*10^{23}molecules }{1 mole}$

amount of molecules= 4.99*10²³

4.99*10²³ molecules of N₂O₄ are in 76.3 g of N₂O₄

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3 years ago

PLEASE HELP ME WITH THID IFK IT!! ILL GIVE YOU EXTRA POINTS

xenn [34]

But a check at the bottom and x at the top

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3 years ago

Which subatomic particle is used to identify an element and is unique to that element?

Yuki888 [10]

Protons because each element has a different number. Example, Oxygen has 8, Nitrogen has 7, Carbon has 6, etc.

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4 years ago