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ElenaW [278]
3 years ago
11

• Explain why each of the following pairs is not likely to form an ionic bond.

Chemistry
1 answer:
Olegator [25]3 years ago
4 0

Answer:

A)Chlorine and Bromine:

They are both non metal hence they form a covalent bond due to covalent bonding.

B)Potassium and Helium:

Helium ion has a small cationic radius and distorted by the potassium ion due to polarization.

C)Sodium and Lithium:

Both are metals hence they form a metallic bond since they share electrons to the electron cloud.

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Which of these is not a commonly mined metallic substance?
Sliva [168]

Answer:

C) quartz

Explanation:

Quartz is a common mineral. Also, quartz isn't a metallic substance. I'm hoping that this helps :)

5 0
3 years ago
The reaction AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq) is a(n) ______________ reaction.
Temka [501]

Answer : The correct option is, (e) precipitation reaction

Explanation :

Oxidation-reduction reaction : It is defined as the reaction in which the oxidation and reduction reaction takes place simultaneously.

Oxidation reaction : It is defined as the reaction in which a substance looses its electrons. In this, oxidation state of an element increases. Or we can say that in oxidation, the loss of electrons takes place.

Reduction reaction : It is defined as the reaction in which a substance gains electrons. In this, oxidation state of an element decreases. Or we can say that in reduction, the gain of electrons takes place.

Precipitation reaction : It is defined as the reaction in which an insoluble salt formed when two aqueous solutions are combined.

The insoluble salt that settle down in the solution is known an precipitate.

Single replacement reaction : A chemical reaction in which the more reactive element replace the less reactive element.

It is represented as,

A+BC\rightarrow AC+B

In this reaction, A is more reactive element and B is less reactive element.

Acid-base reaction : It is defined as the reaction in which an acid react with a base to give salt and water as a product.

The given chemical reaction is:

AgNO_3(aq)+NaCl(aq)\rightarrow AgCl(s)+NaNO_3(aq)

This reaction is a precipitation reaction in which the two aqueous solution silver nitrate and sodium chloride combined to give sodium nitrate solution and silver chloride as a precipitate. In precipitation reaction there is no changes in oxidation state of the element.

Hence, the correct option is, (e) precipitation

8 0
3 years ago
What do you think is meant by the phrase "a balanced diet"?
Maurinko [17]
To have the right combinations of foods to provide nutrients
5 0
3 years ago
True or false A revoked license can be renewed after 10 days
Sauron [17]

Answer: False

Explanation:

Depending on the situation it can be shorter or longer than 10 days

4 0
3 years ago
Read 2 more answers
What is the most likely reason why scientists change a model?
deff fn [24]
A doesn't change the model, that's what google's for, B can be easily used with the current model, and D is ridiculous. 


The model of, for example, the atom, has changed over the years with multiple experiment sand multiple models. There was plum pudding, for example, with protons and electrons scattered throughout, until Rutherford's experiments (a new discovery) changed that because he found a dense nucleus.

The answer pops out at you
5 0
3 years ago
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