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Thepotemich [5.8K]
3 years ago
13

Which property best indicates that a compound contains an ionic bond?

Chemistry
1 answer:
notka56 [123]3 years ago
3 0
 Ionic bond is characterized by the complete transfer of valence electrons between atoms. In this kind of bond, a metal loses its electron in order to become a cation while the nonmetal accept the electron resulting to an anion.
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Two elements that have properties similar to those of the element potassium(K). To those of krypton(Kr)
balu736 [363]

Answer:

Calcium (Ca) and Scandinavium (Sc)

Explanation:

They are all on the same period.

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3 years ago
Two comets are 300 m apart. One
ioda

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a

Explanation:

5 0
3 years ago
Which material is the lest likely to be recognized as a mixture by looking at it under a microscope ?
Lisa [10]
Hello,

The answer is option C <span>homogeneous mixture.

Reason:

The answer is option C because you can find </span><span>homogeneous mixtures anywhere for example: Vinegar. Its not option A because suspension is usually in elements but as not a mixture. Its not option B because a colloid is a measurement tool that allows to make compounds (mixtures).Its also not option D because those type o mixtures are hard to find in extreme weather conditions.

If you need anymore help feel free to ask me!

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4 0
3 years ago
Read 2 more answers
If a substance has a half life of 58 years and starts with 500 g radioactive, how much remains radioactive after 30 years?
Vilka [71]

Answer:

A = 349 g.

Explanation:

Hello there!

In this case, since the radioactive decay kinetic model is based on the first-order kinetics whose integrated rate law is:

A=Ao*exp(-kt)

We can firstly calculate the rate constant given the half-life as shown below:

k=\frac{ln(2)}{t_{1/2}} =\frac{ln(2)}{58year}=0.012year^{-1}

Therefore, we can next plug in the rate constant, elapsed time and initial mass of the radioactive to obtain:

A=500g*exp(-0.012year^{-1} *30year)\\\\A=349g

Regards!

5 0
3 years ago
Which of the following elements could be transmutated into silver by bombardment with a positron?
Elena L [17]

Answer:

I think it's gold but I'm not sure, sorry

Explanation:

good luck tho :)

6 0
2 years ago
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