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AnnyKZ [126]
3 years ago
15

Which best explains why blood is considered to be a suspension?

Chemistry
1 answer:
Stells [14]3 years ago
5 0
I think the best answer is b): it contains particles that can settle out.

The definition of suspension is a heterogeneous (that is same in all parts) mixture that contains particles that could undergo sedimentation (settle down) - this definition is close to b). It should not matter whether those particles are nutrients( so A or C are not good answers).


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The chemical formula for the compound created when magnesium reacts to oxygen
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Answer:

MgO

Explanation:

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Please, help as soon as possible. I'll give brainliest to the first right answer!
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Answer:A: 1

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In the course of developing his model, Bohr arrived at the following formula for the radius of the electron’s orbit: rₙ = n²h²€₀
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THE RADIUS OF THE TENTH ORBIT IN A HYDROGEN ATOM IS 52.9A°

<h3>How does an electron orbit work? </h3>

The three-dimensional area covering the nucleus of an atom is called electron orbital. Electrons sometimes fill low-energy orbitals which are closer to the nucleus before filling the higher ones. They mostly fill the orbitals as singly as they can and that filling is known as Hund’s rule. In the wave-like property, electrons don’t orbit a nucleus in the way a planet orbits the sun but however, but they exist as standing waves. The lowest energy possible an electron can take is the same as the fundamental frequency of a wave on a string. 

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. Write the following isotope in nuclide notation (e.g., “ ”): copper-70
Ede4ka [16]

Answer:

  •            ^{70}_{29}Cu

Explanation:

The <em>nuclide isotope notation</em> represents the isotope by its chemical symbol preceded by a superscript (to the left of the chemical symbol) showing the mass number and a subscript (also the the left of the chemical symbol) showing the atomic number (number of protons).

<em>Copper-70:</em>

  • Chemical symbol: Cu
  • Mass number: 70
  • Atomic number: 29 (the atomic number is found in any periodic table)

<em>Nuclide notation</em>:

  •            ^{70}_{29}Cu
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