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vovangra [49]
3 years ago
12

With the exception of our sun, most stars are huge, bright balls of gas located trillions of miles away from earth true or false

Chemistry
2 answers:
Ivenika [448]3 years ago
3 0

Answer:

True

Explanation:

Stars are bright and enormous astronomical bodies that are located at a large distance from the earth. They are made up of the lightest gaseous elements namely hydrogen and helium. These hydrogen atoms undergo the reaction of nuclear fusion, which fuels the energy of the star and allows the star to shine, releasing a large amount of energy. They are located about trillions of miles away from the location of the earth, due to which they appear smaller in size.

Thus, the above-given statement is True.

max2010maxim [7]3 years ago
3 0

Answer:

True

Explanation:

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Determine the electron-group arrangement, molecular shape, and ideal bond angle(s) for each of the following:
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The electron group arrangement of CH₂Cl₂ is penta-atomic. The molecular shape is tetrahedral, and the bond angle is 109.5°.

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

The bond angle is the angle between the atoms of the compound. The bond angle is defined in degree. The bond length is also there. It is the distance between the nuclei of the two atoms.

The bond angle of CH₂Cl₂ is 109.5°. According to the VSEPR theory, as the structure will be tetrahedral.

Thus, the penta-atomic configuration of CH2Cl2's electrons. Tetrahedral is the molecular shape, the bond angle is 109.5°.

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What experiment supported the nuclear model of the atom ?
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