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Aleksandr-060686 [28]
3 years ago
7

What are in the energy levels that surround the nucleus of an atom?

Chemistry
1 answer:
sasho [114]3 years ago
4 0
Electrons are the thing in the outer energy levels
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Answer:

45 IS THE ANSWER

Explanation:

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The _______ geometry of a water molecule is tetrahedral even though the molecular geometry is bent
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The electron geometry of a water molecule is tetrahedral even though the molecular geometry is bent.

As water molecule hybridisation is sp³ that provides it a electron geometry tetrahedral but due to presence of 2 lone pairs and 2 bond pairs its molecular geometry is bent.

The hybridisation sp³ makes  electron geometry of a water molecule tetrahedral but the presence of 2 lone pairs makes its  molecular geometry bent

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4.5 × 1025 atoms of nickel equal how many moles?
sweet [91]
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3 years ago
PLEASE HELP ME! WILL GIVE BRAINLEST! I need this ASAP!
Fofino [41]
1. Al(C₂H₅)₂OCl₃

Al(C₂H₅)₂OCl₃ is made from 5 different elements. They are Al, C, H, O and Cl. Number of atoms in each element can be found as follows.

number of Al atoms = 1
number of C atoms = 2 x 2 = 4
number of H atoms = 5 x 2 = 10
number of O atoms = 1
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<span>
Total number of atoms = 1 + 4 + 10 + 1 + 3 = 19

2. </span>BCl₃<span> 

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number of B atoms = 1
number of Cl atoms = 3

Total number of atoms = 1 + 3 = 4<span>

3. </span>H₂O + H⁺

H₂O makes H₃O⁺ (hydronium ion) with H⁺ which is a positive ion. H₃O⁺ consists of two different elements as H and O. Number of atoms are as follows.

number of H atoms = 3
number of O atoms = 1

Total number of atoms = 3 + 1 = 4


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Composting is not a technological way of improving air quality.

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