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AveGali [126]
3 years ago
15

7. Which of the following pairs of elements is most likely to form an ionic

Chemistry
1 answer:
yaroslaw [1]3 years ago
5 0

Answer:

not sure if this us right but oxygen and fluorine? I learned chem but I forgot about it kinda sorry

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What is the mass of carbon in carbon dioxide
Gemiola [76]

Answer: 27.27%

Mass percentage of carbon in carbon dioxide is 4412×100=27. 27%.

3 0
3 years ago
According to the law of multiple proportions, when water forms, the mass ratio of hydrogen to oxygen is variable.
Eddi Din [679]

Answer & Explanation:

The law of multiple proportion states that two elements A and B can react with each other to form multiple compounds while one of the two elements remain fixed.

For Example

Hydrogen reacts with oxygen to form:

Water (H2O)

Hydrogen peroxide (H2O2)

4 0
3 years ago
Carbon dioxide in the atmosphere can be reduced by _.*​
pychu [463]

Answer:

As the use of plants as carbon sinks can be undone by events such as wildfires, the long-term reliability of these approaches has been questioned. Carbon dioxide that has been removed from the atmosphere can also be stored in the Earth's crust by injecting it into the subsurface, or in the form of insoluble carbonate salts (mineral sequestration).

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Explanation:

6 0
2 years ago
Read 2 more answers
Determine the electron-group arrangement, molecular shape, and ideal bond angle(s) for each of the following:
antoniya [11.8K]

The electron group arrangement of PH₃ is tetrahedral. The molecular shape is a Trigonal pyramid, and the bond angle is 93°.

<h3>What is the bond angle?</h3>

The angle between the atoms in a compound is known as the bond angle. The degree of the binding angle is specified. There is also the bond length. It is the separation between the two atoms' nuclei.

The bond angle between the atoms of phosphine is 93°. It has one lone pair. The central atom is covered with 4 atoms.

Thus, the electron-group arrangement of phosphine is tetrahedral. The molecular geometry or shape is a trigonal pyramid. The bond angle is 93°.

To learn more about bond angles, refer to the link:

brainly.com/question/1851495

#SPJ4

8 0
2 years ago
The
Vikki [24]

2nd

Explanation:

because i guesses i guess so yeah trust your gut buddy

5 0
2 years ago
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