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Anna007 [38]
3 years ago
14

What are ionic compounds typically composed of?

Chemistry
2 answers:
Iteru [2.4K]3 years ago
6 0

Answer and explanation:

Ionic compounds are formed by elements with a considerable electronegativity difference. They are typically composed by an element of groups IA or IIA of the Periodic Table (with lower electronegativity, so it tends to lose electrons) and a other element of groups VIA or VIIA (with higher electronegativity, thus it tends to gain electrons). For example, KCl is formed by K (group IA), which loses one electron and forms the cation K⁺, and Cl (group VIIA) which gains the electron and forms the anion Cl⁻.

Mashcka [7]3 years ago
4 0

<span> </span><span>Ionic compounds are compound that contains ions held together by ionic bonds. They are made up of particles that are arranged in a repeating pattern. Ions are said to be packed in a regular crystalline structures in an arrangement with the least energy.</span>

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Which units are used to measure both velocity and speed? Select 3 correct choices.
poizon [28]

Answer:

km/h

mph

iph

Explanation:

I have no idea what mis or dit could be

km/h is kilometers per hour

mph is miles per hour

I assume iph is inches per hour?

4 0
3 years ago
Air has a mass of 1.2g and a volume of 4,555ml. What is the density
coldgirl [10]

Answer:

<h2>Density = 0.00026 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

<h3>Density(\rho) =  \frac{mass}{volume}</h3>

From the question

mass of air = 1.2 g

volume = 4,555 mL

Substitute the values into the above formula and solve for the density

That's

<h3>Density =  \frac{1.2}{4555}</h3>

= 0.0002634

We have the final answer as

<h3>Density = 0.00026 g/mL</h3>

Hope this helps you

3 0
3 years ago
If a gas is moved from a large container to a small container but its temperature and number of moles remain the same, what woul
bazaltina [42]

To solve this we assume that the gas is an ideal gas. Then, we can use the ideal gas equation which is expressed as PV = nRT. At a constant temperature and number of moles of the gas the product of PV is equal to some constant. At another set of condition of temperature, the constant is still the same. Calculations are as follows:

 

P1V1 =P2V2

<span>P2 = P1V1/V2</span>

<span>
</span>

<span>The correct answer is the first option. Pressure would increase. This can be seen from the equation above where V2 is indirectly proportional to P2.</span>

8 0
3 years ago
Read 2 more answers
4. If the speed of an object increases, its kinetic energy
Studentka2010 [4]

Answer:

I think the answer is increases

8 0
2 years ago
Wat is diffrent from a square and trapisode
Vikki [24]
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