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olasank [31]
3 years ago
9

Use your periodic table and calculator as needed for the following question.

Chemistry
1 answer:
sveticcg [70]3 years ago
7 0
Hope you find this answer I need points
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What is the nuclear binding energy of an atom that has a mass defect of 1.643 x 10-28kg?
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2 (1643/200-14gk)

Will be your final answer hoped it helped


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3 years ago
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Which statement is true about the electrons in each polar bond of a water molecule?
Greeley [361]

They are more attracted by the oxygen atom than by the hydrogen atom.

Explanation:

In the polar bond of water which is made up of hydrogen and oxygen atoms, the shared electrons are more attracted by the oxygen atom than by the hydrogen atom.  

The interatomic bond in water is a polar covalent bond.  

In this bond type, two species shares their valence electrons.  

The bond usually occurs between non-metals with an electronegativity difference that is small.

Oxygen is more electronegative compared to hydrogen.

  • This implies that oxygen pulls the electron more closely to itself since it has a greater affinity.
  • This leaves a partial negative charge on oxygen and a positive charge on hydrogen.
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Covalent bond brainly.com/question/5258547

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3 years ago
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The chemical formula for water is H202. True or <br> False
Goryan [66]

Answer:

False it is H2O

Explanation:

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An aluminum block has a volume of 30.0 cm³ and a mass of 81 grams. What is the density of aluminum?
kupik [55]

Answer:

Density = 2.7 \ g/cm^3

Explanation:

The equation for density is:

Density = \frac{mass}{volume}

We can plug the given values into the equation:

Density = \frac{81\ g}{30.0\ cm^2}

Density = 2.7 \ g/cm^3

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3 years ago
WHY DO COLORS START TO DIM UNDERWATER PLEASE HELP WILL BRAINLIST
Natali [406]

Answer:Water absorbs different wavelengths of light to different degrees. The longest wavelengths, with the lowest energy, are absorbed first. Red is the first to be absorbed, followed by orange & yellow. The colors disappear underwater in the same order as they appear in the color spectrum. Even water at 5ft depth will have a noticeable loss of red. For this reason, strobes are usually used to add color back to subjects.

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