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Yuliya22 [10]
3 years ago
11

How many atoms will be in a 0.010 gram sample of aluminum

Chemistry
1 answer:
Brums [2.3K]3 years ago
5 0
Um let me think ummm dang hold on bro i will be right back ok 
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Which of the following describes carbon dioxide? O Has polar covalent bonds and is a polar molecule O Has non-polar covalent bon
OLga [1]

Answer: Option "Has polar bonds and is a non-polar molecule" is the correct answer.

Explanation:

A covalent compound is defined as the compound in which there will be sharing of electrons between the combining atoms.

An ionic compound is defined as the compound in which there will be transfer of electrons from one atom to another.

  • A non-polar covalent compound is defined as the compound in which there will be equal sharing of electrons between the combining atoms.

For example, a chlorine atom has 7 valence electrons.

So, when a chlorine atom chemically combines with another chlorine atom then there occurs equal sharing of electrons.

Hence, molecule Cl_{2} is formed which is non-polar covalent compound in nature with non-polar covalent bond.

  • A polar covalent bond is defined as the bond in which there will be unequal sharing of electrons between the combining atoms.

For example, a carbon atom has 4 valence electrons and an oxygen atom has 6 valence electrons.

To complete their octet a carbon atom needs 4 more electrons and an oxygen atom needs 2 more electrons.

And, when one carbon and two oxygen atoms chemically combine together then there occurs unequal sharing of electrons.

Hence, a polar covalent compound CO_{2} is formed.

Since, oxygen is more electronegative than carbon atom. Hence, dipoles in the linear carbon dioxide molecules will cancel out each other.

Therefore, a carbon dioxide molecule is non-polar compound that has polar covalent bonds.

Thus, we can conclude that the statement, has polar bonds and is a non-polar molecule, correctly describes carbon dioxide.

8 0
3 years ago
Which oneeee is ittt!!!!
Marysya12 [62]

Answer:

Disagree.

Explanation:

Nothing would remain. Everything on Earth is made up of atoms. The chair consists of only atoms. So, if you remove all of the atoms, nothing would be left! Hope this helps.

7 0
3 years ago
Read 2 more answers
The diagrams below show the alignment of the Sun, the Moon, and Earth.
Veronika [31]

Answer:A

Explanation: I learned it from a gizmo

8 0
3 years ago
Write the structure of the aldol condensation-dehydration product that you synthesized. Using this structure, analyze the NMR sp
STALIN [3.7K]

Answer:

Please find the solution in the attached file.

Explanation:

8 0
2 years ago
Which ions remain in solution after pbi2 precipitation is complete? express your answers as ions separated by a comma?
olga nikolaevna [1]

Answer;

K+ and NO3- ions

Explanation;

The main ions remaining are K+ and NO3- ions after pbi2 precipitation is complete.

However; There will always be tiny amounts of Pb2+ and I- ions, but most of them are in the solid precipitate.

7 0
4 years ago
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