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astraxan [27]
3 years ago
11

The answer is what I need to know thank you

Chemistry
1 answer:
diamong [38]3 years ago
8 0

Answer:250 and your matthew sister

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What is the electron configuration of the element in period 2 that has 5 valence electrons (valence electrons are the electrons
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Nitrogen

Explanation:

N= is the symbol

electronic configuration

1s2 2s2 2p3

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3 years ago
Cual es la temperatura de congelacion del agua
Sergio039 [100]
<span>La temperatura de congelación del agua es 0 grados </span>centígrados. 
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A 30.5-g sample of water at 300. K is mixed with 48.5 g water at 350. K. Calculate the final temperature of the mixture assuming
ahrayia [7]

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3 years ago
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:

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2 years ago
Mass = 35g Volume = 7cm3 What is the Density?​
olga_2 [115]

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5 g/cm^3

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