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chubhunter [2.5K]
3 years ago
11

Picture has the question

Chemistry
2 answers:
xenn [34]3 years ago
8 0

Answer:I believe it is 5

Explanation:

sattari [20]3 years ago
7 0
The answer is 5 for the question
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Which two elements make up the greatest percentages by mass in Earth’s crust?
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<h2><u>Answer</u> :</h2>

The most appropriate option is :

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Since, they are the most abundant elements found in Earth's Crust.

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Water comes from different a.levels b.phases c.sources d.stages​
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When CO2 and H2O react to form H2CO3, the number of bonds broken in H2O is ____ and in CO2 is _____. one; one
guapka [62]

CO2 and H2O react to form H2CO3 and two bonds are broken each in CO and H2O to form H2CO3.

<h3>What is chemical bonding?</h3>

Chemical bonding refers to the forces of attraction which hold atoms of the same or different elements together in order to form stable compounds or molecules .

Chemical bonding may be either ionic or covalent.

The greater the number of bonds in a compound, the more stable the compound.

During chemical reactions, bonds are broken and new binds are formed.

There are two bonds each in CO2 and H2O.

This, in the reaction between CO2 and H2O react to form H2CO3, , the number of bonds broken in H2O is two and in CO2 is two.

Learn more about chemical bonding at: brainly.com/question/819068

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What are the environmental impacts of coal
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<h3><em>hehe.</em></h3>

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