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postnew [5]
3 years ago
8

The model of a “sea of electrons” helps explain ____.

Chemistry
2 answers:
TiliK225 [7]3 years ago
7 0

Answer:

C. Metallic bonds

Explanation:

The electron sea model is a model of metallic bonding in which cations are considered to be fixed points within a mobile 'sea' of electrons.

The electron sea model pictures the electrons on the surface of a metal being free to move from one atom to another. ... This means that in metallic bonding for the metal atom to become more stable it must release its electron density without the electrons being transferred to another atom.

andriy [413]3 years ago
3 0

Answer:

The correct answer is C.) metallic bonds

Explanation:

Metallic bonds are formed between metal compounds and are very strong. These links are explained by the "sea model of electrons", where valence electrons are ceded by each metal atom, becoming positive ions forming a three-dimensional crystalline network. These electrons move forming a network ("sea") that allows the union of the positive ions formed.

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What is the dependent and independent variable
sukhopar [10]
An independent variable is the variable changed or controlled in a scientific experiment to test the effects on the dependent variable. A dependent variable is the variable being tested and measured in a scientific experiment.
5 0
2 years ago
Which of the following elements is represented by the above graphic​
kolezko [41]

Answer:

Sulfur

Explanation:

Sulfur has 16 valence electrons, as shown in the diagram.

5 0
2 years ago
Which one of the following statements about mixtures is correct [2] [3] The different substances in a mixture are always in a de
aivan3 [116]

Answer: Option (4) is the correct answer.

Explanation:

A mixture is defined as a substance that contains two or more different substance that are physically mixed with each other.

If solute particles are evenly distributed in a solvent then it is known as a homogeneous mixture.

For example, salt dissolved in water is a homogeneous mixture.

If solute particles are unevenly distributed into the solvent then it is known as a heterogeneous mixture.

For example, sand in water is a heterogeneous mixture.

Thus, we can conclude that the statement a mixture must contain at least two different substances, is correct about mixtures.

4 0
3 years ago
answer the following question by entering the numeric value with appropriate units. if the length of one side of a square is 12.
Tasya [4]
Using the length given '12 m', because the shape of the object is a square all sides are congruent. 
Basically 12+12+12+12=48 or 12 x 4= 48
The answer is 48 m
8 0
3 years ago
Question 3 (1 point)
Hoochie [10]

Answer:

50 mol

Explanation:

Mass of methane = 800 g

Number of moles of CO₂ produced = ?

Solution:

Chemical equation:

CH₄ + 2O₂      →      CO₂ + 2H₂O

Number of moles of methane:

Number of moles = mass/molar mass

Number of moles = 800 g/ 16 g/mol

Number of moles = 50 mol

Now we will compare the moles of methane and carbon dioxide from balanced chemical equation.

                CH₄        :         CO₂

                   1           :          1

                 50          :        50

4 0
3 years ago
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