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Zolol [24]
3 years ago
13

What do all the atomic models have in common?

Chemistry
1 answer:
Viefleur [7K]3 years ago
4 0
All atomic models have a nucleus
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AICI3(s)+Ca 3N2(s)-AIN(S)+CaCl2(s)
disa [49]

Answer:

2AlCl3 + Ca3N2 - 2AlN+ 3CaCl2

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2 years ago
Rusting is a chemical process that changed the strength and integrity of objects made of iron or iron alloys. Which of the follo
pishuonlain [190]
Among the choices provided, the statement that correctly describes the rusting process below is that "Oxygen was reduced over the course of this reaction" as <span> iron can't be the oxidizing agent, because it is the one being oxidized.

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.
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3 years ago
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13. Which statement best describes an element? *
Natasha2012 [34]

Explanation:

Distinguish chemical substances from mixtures

Key Points

Matter can be broken down into two categories: pure substances and mixtures. Pure substances are further broken down into elements and compounds. Mixtures are physically combined structures that can be separated into their original components.

A chemical substance is composed of one type of atom or molecule.

A mixture is composed of different types of atoms or molecules that are not chemically bonded.

A heterogeneous mixture is a mixture of two or more chemical substances where the various components can be visually distinguished.

A homogeneous mixture is a type of mixture in which the composition is uniform and every part of the solution has the same properties.

Various separation techniques exist in order to separate matter, including include distillation, filtration, evaporation and chromatography. Matter can be in the same phase or in two different phases for this separation to take place.

Terms

substanceA form of matter that has constant chemical composition and characteristic properties. It is composed of one type of atom or molecule.

elementA chemical substance that is made up of a particular kind of atom and cannot be broken down or transformed by a chemical reaction.

mixtureSomething that consists of diverse, non-bonded elements or molecules.

4 0
3 years ago
Select all of the following statements that represent the differences between a voltaic cell and an electrolytic cell. Group of
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Answer:

  • The electrodes will change in mass for only the electrolytic cell
  • Electrode with the lowest reduction potential is reduced in an electrolytic cell
  • A potential is generated when the voltaic cell runs
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3 years ago
A mole of any atom or molecule has the same number of?
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The answer to this question is particles yes girl work slay that chem
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3 years ago
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