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ElenaW [278]
3 years ago
6

why do valence electrons form bonds to create molecules and compounds? A. they are weaker than the electrons found closer to th

e nucleus. B. they are smaller than other electrons. C. they are stronger than the electrons found closer to the nucleus D. They are smaller than other electrons.
Chemistry
2 answers:
Crazy boy [7]3 years ago
7 0

Answer:

grouping pairs

Explanation:

BlackZzzverrR [31]3 years ago
6 0

<u>Answer:</u>

<em>Valence electrons form bonds to create molecules and compounds because they are weaker than the electrons found closer to the nucleus. </em>

<u>Explanation:</u>

Electrons, being negatively charged particles definitely get attracted to the positively charged nucleus. <em>Thus the distance between electrons and nucleus determines the strength of bonding of electrons to the atom. </em>

Valence electrons are present in the outermost shell of the atom and thus the distance between the <em>nucleus and valence electrons is large when compared with the electrons in the inner shells. </em>

In order to form bonds to make molecules and compounds electrons should be weakly bonded to the parent atom. Thus the <em>weak bond with parent atom makes valence electrons the active participants in a chemical reaction. </em>

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san4es73 [151]

Hey there!

C₉H₂O + O₂ → CO₂ + H₂O

First let's balance the C.

There's 9 on the left and 1 on the right. So, let's add a coefficient of 9 in front of CO₂.

C₉H₂O + O₂ → 9CO₂ + H₂O

Next let's balance the H.

There's 2 on the left and 2 on the right. This means it's already balanced.

C₉H₂O + O₂ → 9CO₂ + H₂O

Lastly, let's balance the O.

There's 3 on the left and 19 on the right. So, let's add a coefficient of 9 in front of O₂.

C₉H₂O + 9O₂ → 9CO₂ + H₂O

This is our final balanced equation.

Hope this helps!

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how many moles of barium hydroxide, Ba(OH2), would be required to react with 117 g hydrogen bromide, HBr?
Kisachek [45]
The moles of Ba(OH)2 that is  required  to react  with 117 HBr is calculated as  below

find the moles of HBr used
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write the reacting equation

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by use of mole ratio of Ba(OH)2 : HBr  which is 1:2 the moles of Ba(OH)2 is therefore
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3 years ago
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