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FinnZ [79.3K]
3 years ago
10

The stability of a nucleus is determined by the ratio of electrons to protons.

Chemistry
1 answer:
Lera25 [3.4K]3 years ago
5 0
B. False
Stability is determined by the ratio of neutrons and protons. Electrons are not in nucleus.
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Without consulting Appendix B, arrange each group in order of decreasing standard molar entropy (S°). Explain.(a) Mg metal, Ca m
monitta

The decreasing order of standard molar entropy (S°) is as follow:

Ba metal > Ca metal > Mg metal

<h3>What is Entropy? </h3>

Entropy is defined as the randomness of the particle. It depends on temperature and pressure or number of particle per unit volume.

It is directly proportional to the temperature and pressure of the gas.

<h3>What is Standard Molar Entropy? </h3>

The standard molar entropy is defined as the entropy content of the one mole of pure substance at the standard state of temperature and pressure of interest.

The standard molar entropy is also defined as the total amount of entropy which 1 mole of the substance acquire, as it is brought from 0K to standard conditions of temperature and pressure.

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Mg metal has lower standard molar entropy. Due to less massive.

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Ba metal > Ca metal > Mg metal

learn more about standard molar entropy:

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26 Classify each chemical equation as a combination/synthesis, decomposition, single replacement, double replacement, or combust
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O - Oxide

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When you have a non-metal, it ends in -ide when you place it into a chemical bond. These are all diatomic molecules (apart from phosphorus) and as such you take the element name, remove the suffix, and add -ide. When converting back, look at the electronegativity levels on your periodic table in the upper right corner of each element. (if you don't have them, google "nyc regents chemistry reference table" and go to page 6 of the first result.) The first charge in that spot is what the charge will be.

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3 years ago
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