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Mnenie [13.5K]
3 years ago
14

Explain what lattice energy is and how it affects the properties of ionic compounds. Describe the general properties of ionic co

mpounds
Chemistry
2 answers:
irga5000 [103]3 years ago
8 0
An ionic compound is the attraction between a metal and a nonmetal!!
ElenaW [278]3 years ago
4 0

Lattice energy is a way to measure the bond strength in ionic compounds.

Ionic compounds tend to have high melting and boiling points.

Ionic compounds tend to be hard.

Ionic compounds have a range of solubilities.

Ionic compounds are not conductors in the solid state, but they are good conductors as liquids or in solution.

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Thats right! Gj!

Explanation:

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An electron charge e mass m and a positron charge e mass m revolve around their common center of mass under the influence of the
Katen [24]

Answer: v = 2π2 Kme2 Z / nh

Explanation:

The formula for velocity of an electron in the nth orbit is given as,

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3 years ago
Which shows the rational expression written using the least common denominator?
Alexandra [31]

Answer:

The first one.

\frac{x + 1}{4x^{2} } and \frac{4(x + 1)}{4x^{2} }

Explanation:

When comparing two fractions with variables like this, it's important to get to the same denominator in order to compare apples with apples and then be able to do not only comparisons but also perform additions/subtractions.

Question is which denominator to use and how to reach it.

In this case, the question and the answer choices do the work for you.  The question asks which one is the LEAST common denominator, and the answers show denominators x² and 4x².  The smallest of these is x², however, we can't simplify the first fraction to get to the x² denominator, so we'll go for the 4x².

So, the first fraction has already the correct denominator (4x²), we just have to transform the second one.

We multiply it by 1, expressed in a different way.  Since we're multiplying by one, we're not affecting the value, just the way it looks.

Let's do it!, to get the denominator to go from x² to 4x², we need to multiply it by 4... so we'll multiply by 4/4 (which is 1, neutral for the multiplication).

\frac{x + 1}{x^{2} } * \frac{4}{4} = \frac{4(x + 1)}{4x^{2} }

And now you have both fractions on the same denominator, without having changed their value, just their looks

6 0
3 years ago
Precipitation _____. occurs equally all over the globe. is the change in state from a gas to a liquid. happens when ice changes
babunello [35]

Precipitation exceeds evaporation over the land.

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3 years ago
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