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Dennis_Churaev [7]
3 years ago
11

Can someone please definition of atomic radius using , nucleus, valence electrons and energy.❤️

Chemistry
1 answer:
OLEGan [10]3 years ago
5 0

Answer:

Explanation:

-The Atomic Radius of an element is the distance between the center of an atom

-nucleus and its outermost, or valence electrons. ... These changes are caused by the interaction between the positive charge of the protons

- nucleus and the negative charge of all the atom's electrons.

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An ideal gas is in a sealed rigid container. The average kinetic energy of the gas molecules depends most on An ideal gas is in
sergejj [24]

Answer:

The temperature of the gas.

Explanation:

According to the kinetic molecular theory, the molecules of a substance are in constant random motion.

If an ideal gas is contained is a sealed rigid container, the average velocity of the gas molecules is dependent of the temperature of the gas.

Recall that temperature is defined as the average kinetic energy of the molecules of a body.

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3 years ago
Iron has a density of 7.87 g/cm3. What is the volume in cm3 of 3.729 g of iron?
KIM [24]

If iron has a density of 7.87g/cm³ and a mass of 3.729g, then the volume of iron is 0.474cm³

HOW TO CALCULATE VOLUME:

  • The volume of a substance can be calculated by dividing the mass by its density. That is;

Volume (mL) = mass (g) ÷ density (g/mL)

  • The density of iron is given as 7.87g/cm³ while its mass is 3.729g of iron. Hence, the volume can be calculated as follows:

Volume = 3.729 ÷ 7.87

Volume = 0.474cm³

Therefore, the volume of iron is 0.474cm³

Learn more: brainly.com/question/2040396?referrer=searchResults

6 0
2 years ago
Question # 9
sp2606 [1]

Answer:

all of above

<h3>please please mark me as a brainliest</h3>
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3 years ago
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Answer:

Most plastic is chemically inert and will not react chemically with other substances -- you can store alcohol, soap, water, acid or gasoline in a plastic container without dissolving the container itself.

Explanation:

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3 years ago
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Mineral oil dissolves in hexane but not in ethanol
chubhunter [2.5K]
That would be correct as stated.
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