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Incomplete Combustion and Carbon Allotropes Quiz

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Incomplete Combustion and Carbon Allotropes Quiz

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Questions and Answers

Which of the following is the primary reason why carbon is so important in organic chemistry?

Carbon can form stable bonds with a variety of elements, including itself. (correct)

Carbon has a high melting point, making it suitable for high-temperature reactions.

Carbon has a low atomic mass, making it abundant in the universe.

Carbon has a high electronegativity, allowing it to form strong ionic bonds.

What is the mass number of a carbon atom?

12 (correct)

What is the atomic number of carbon?

6 (correct)

What type of bonds does carbon typically form in organic compounds?

Covalent bonds (D) Signup and view all the answers

Which of the following elements is not typically found in organic compounds?

Sodium (C) Signup and view all the answers

How many covalent bonds can a carbon atom form?

4 (B) Signup and view all the answers

Which of the following is a visual pollutant and respiratory irritant produced during incomplete combustion?

Carbon (soot) (D) Signup and view all the answers

What is the unique property of carbon monoxide that makes it dangerous to human health?

It binds better with red blood cells than oxygen, preventing oxygen transport. (C) Signup and view all the answers

Which of the following is an allotrope of carbon with a tetrahedral lattice structure, making it the hardest natural substance?

Diamond (D) Signup and view all the answers

According to John Dalton's atomic theory, which of the following statements is correct?

Atoms are the smallest indivisible particles of matter. (C) Signup and view all the answers

Which model of the atom proposed that atoms consist of negatively charged electrons embedded in a positively charged 'pudding'?

Thomson's plum pudding model (D) Signup and view all the answers

Which of the following allotropes of carbon is composed of layers of carbon atoms in a hexagonal arrangement and is used as a lubricant and in pencils?

Graphite (B) Signup and view all the answers

How many subshells are present in Shell 4?

4 subshells (B) Signup and view all the answers

What is the energy level order of subshells from lowest to highest energy?

s Signup and view all the answers

Which element prefers to have eight electrons in its valence shell?

Neon (Ne) (C) Signup and view all the answers

In terms of subshells, where are the electrons placed for elements in the 's block' of the periodic table?

s subshells (D) Signup and view all the answers

What is the total number of electrons in an oxygen ion with a 2- charge?

8 electrons (B) Signup and view all the answers

What is the correct order of energy levels within a shell from lowest to highest?

Main shells, Orbitals, Subshells (B) Signup and view all the answers