24) Which of the following compounds would be LEAST ionic in nature?A) NaCl
B) NaF
C) Ga2Se3
D) ZnO
E) Na3PO4

Answers

Answer 1

Answer:

The compound that has been least ionic is $\rm \bold{Ga_2Se_3}$ . The correct option is C.

Ionic compounds have been formed with the electrostatic interaction between the oppositely charged ions. The ionic bond has been formed by the transfer of electrons.

The ionic strength of the compound can be assessed by the difference in the electronegativity of the atoms involved in the bond.

The difference in electronegativity of the following compounds has been as follows:

A. NaCl

Difference = 3 - 0.9

Difference = 2.1

B. NaF

Difference = 4- 0.9

Difference = 3.1

C. $\rm Ga_2Se_3$

Difference = 2.4 - 1.6

Difference = 0.8

D. ZnO

Difference = 3.5 - 1.6

Difference = 1.9

E. $\rm Na_3PO_4$

Difference = 3.5 - 0.9

Difference = 2.6

The ioniccompound with the least difference in electronegativity has been termed to be the least ionic in nature.

The smallest electronegativity difference has been observed in $\rm Ga_2Se_3$ . Thus the compound that has been least ionic is $\rm \bold{Ga_2Se_3}$ . The correct option is C.

For more information about the ionic strength of the compound, refer to the link:

brainly.com/question/14095804

Answer 2

Answer:

The correct answer is C) Ga₂Se₃

Why?

The simplest way to find the ionic character of the bond is to look at the electronegativity difference between the atoms involved in the bonding.

Let's look at each compound individually:

A) NaCl: $ED=3-0.9=2.1$

B) NaF: $ED=4-0.9=3.1$

C) Ga₂Se₃: $ED=2.4-1.6=0.8$

D) ZnO: $ED= 3.5-1.6=1.9$

E) Na₃PO₄: (assuming that oxygen is holding the negative charge) $ED=3.5-0.9=2.6$

From all these compounds the one with the smallest electronegativity difference is Ga₂Se₃ so it is the least ionic in nature.

Have a nice day!

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Answers

Because The moon doesn't have an atmosphere unlike Earth.

The surface temperature on the moon more extreme than the surface temperature on earth because the moon doesn't have an atmosphere.

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Choose all answers that are correct.

A.
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B.
When cyanobacteria evolved, they carried out photosynthesis. Oxygen is a product of photosynthesis. The addition of oxygen to earth’s atmosphere helped make possible the development of eukaryotic organisms, which need oxygen to carry out many of their life processes.

C.
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D.
When cyanobacteria evolved, they carried out photosynthesis. Oxygen is needed to carry out photosynthesis.

Answers

B.
The cynobacteria were already there without the oxygen, so that rules out A, and a lot of prokaryotes were anaerobic, so that rules out C. Finally, Photosynthesis does not require oxygen. Instead, Oxygen is a waste product of it. Therefore, it cannot be D. So, we are only left with B
Hoped this helped :D

What is the density of a block of marble that occupies 287cm3 and has a mass of 869g?

Answers

a REALLY helpful thing when doing physics is something called the DMV triangle. So how it works is you look at what you are trying to find, which in this case is density. So you cover the D and look at the remaining M and V. Everything below the M has to be divided, and if you are just left with the D and V then you x them. It’s really simple and easy to use. So you cover up the D, and are left with M and V. So now you have to do Mass divided by Volume. 869g divided by 287cm3 would be 3.02g/cm3

What are some advantages of using less farm machinery in planting?

Answers

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List five physical properties?

Answers

Some examples of physical properties are:

color (intensive)

density (intensive)

volume (extensive)

mass (extensive)

boiling point (intensive): the temperature at which a substance boils.

melting point (intensive): the temperature at which a substance melts.

Physical Properties are used to describe how something is. Examples include:

1. Color
2. Shape
3. Size
4. Density
5. Melting/ Boiling point
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Physical changes: occur when matter changes form but not composition (Ex: ice is still H2O). Examples of physical change are:

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Answers

Answer:

As the options for the question not given, lets try to answer this question generally.

Explanation:

A reliable source can be described as an authentic source which proves or declines an action, research etc.

The most reliable source for scientific information is scientific papers. This is because scientific papers are subjected to peer- review and hence been tested and validated. A peer-review can be described as a judgement or test made by a person on other peoples research, both of the people having equal caliber.

Answer:

It cites valid data because a reliable scientific source needs data to back up what they’re proving.

Explanation:

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