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klio [65]
3 years ago
7

Kevin draws a lewis structure for the molecule of ozone, o3. later on that day, he draws another one for a friend to show what h

e's learned in school. when he compares the two drawings, he notices they look different. he runs to the teacher the next day to ask her which one is right. smiling, she answers, "they're both correct." explain why this is.

Chemistry
2 answers:
Travka [436]3 years ago
8 0

Explanation:

A structure that represents bonding between the atoms of the molecule and the lone pair of electrons existing in the structure or molecule is known as a lewis structure.

Therefore, when Kevin's teacher said that both the structures drawn by him are correct then it means that Kevin has drawn the lewis structure of the compound which showed different arrangement of electrons and lone pairs but they are actually the same.

Paha777 [63]3 years ago
4 0
<span>The most important part of a lewis structure is that it's number of valence electrons matches the number needed for the atom(s). Because lewis structures are drawn with many "slots" for valence electrons, they can be assigned in a loose order as long as they do not inherently change the shape or number of electrons for the atom. Therefore different lewis structures can be formed, just keep the variables the same.</span>
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Phosphorus crystallizes in several different forms, one of which is a simple cube with an edge length of 238 pm. What is the den
algol13

<u>Answer:</u> The density of phosphorus is 3.81g/cm^3

<u>Explanation:</u>

To calculate the density of phosphorus, we use the equation:

\rho=\frac{Z\times M}{N_{A}\times a^{3}}

where,

\rho = density

Z = number of atom in unit cell = 1  (CCP)

M = atomic mass of phosphorus = 31 g/mol

N_{A} = Avogadro's number = 6.022\times 10^{23}

a = edge length of unit cell = 238pm=238\times 10^{-10}cm    (Conversion factor:  1cm=10^{10}pm  )

Putting values in above equation, we get:

\rho=\frac{1\times 31}{6.022\times 10^{23}\times (238\times 10^{-10})^3}\\\\\rho=3.81g/cm^3

Hence, the density of phosphorus is 3.81g/cm^3

6 0
3 years ago
When an atom gains a valence electron, it become a (n)_____ion.
Lilit [14]

An atom that gains electrons and becomes negatively charged is known as an <u>anion</u><u>.</u>

Hope it helps!

4 0
3 years ago
The oxidation number of an atom is shown with a
Assoli18 [71]

Answer:

The oxidation number of an atom is the charge it appears to have when you count the electrons according to some arbitrary rules. The oxidation number of an atom depends on the other atoms in the substance.

Explanation:

For example, In KCl, the oxidation number of Cl is 0.

3 0
3 years ago
Determine the net number of sigma bonds, the net number of pi bonds, and the overall bond order for N2+. Use 0.5 to indicate a f
trapecia [35]

Answer:

Net number of sigma bonds = 1

Net number of pi bonds = 2

Overall bond order = 3

Explanation:

Electronic configuration of N2 ia  

1s2 2s2 2p3

There is head to head overlap in pz orbital. Thus, there is one sigma bond

Pi bond is formed whenever there is side wise overlapping. Since both px and py undergoes overlapping to form pi bond, there are two pi bonds

Bond order = 0.5 (bonding electron – antibonding electron)

= 0.5 (8-2) = 0.5*6 = 3

5 0
3 years ago
What is the total number of atoms in the molecule HNO3?​
melomori [17]

Answer:

We know that, composition of HNO3 is Hydrogen, Nitrogen and oxygen. Total number of atoms = 3+1+1=5 atoms are present in 1 molecule of HNO3.

5 0
3 years ago
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