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Questions and Answers
Which of the following is the primary reason why carbon is so important in organic chemistry?
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?
What is the mass number of a carbon atom?
- 12 (correct)
- 14
- 6
- 16
What is the atomic number of carbon?
What is the atomic number of carbon?
- 12
- 8
- 4
- 6 (correct)
What type of bonds does carbon typically form in organic compounds?
What type of bonds does carbon typically form in organic compounds?
Which of the following elements is not typically found in organic compounds?
Which of the following elements is not typically found in organic compounds?
How many covalent bonds can a carbon atom form?
How many covalent bonds can a carbon atom form?
Which of the following is a visual pollutant and respiratory irritant produced during incomplete combustion?
Which of the following is a visual pollutant and respiratory irritant produced during incomplete combustion?
What is the unique property of carbon monoxide that makes it dangerous to human health?
What is the unique property of carbon monoxide that makes it dangerous to human health?
Which of the following is an allotrope of carbon with a tetrahedral lattice structure, making it the hardest natural substance?
Which of the following is an allotrope of carbon with a tetrahedral lattice structure, making it the hardest natural substance?
According to John Dalton's atomic theory, which of the following statements is correct?
According to John Dalton's atomic theory, which of the following statements is correct?
Which model of the atom proposed that atoms consist of negatively charged electrons embedded in a positively charged 'pudding'?
Which model of the atom proposed that atoms consist of negatively charged electrons embedded in a positively charged 'pudding'?
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?
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?
How many subshells are present in Shell 4?
How many subshells are present in Shell 4?
What is the energy level order of subshells from lowest to highest energy?
What is the energy level order of subshells from lowest to highest energy?
Which element prefers to have eight electrons in its valence shell?
Which element prefers to have eight electrons in its valence shell?
In terms of subshells, where are the electrons placed for elements in the 's block' of the periodic table?
In terms of subshells, where are the electrons placed for elements in the 's block' of the periodic table?
What is the total number of electrons in an oxygen ion with a 2- charge?
What is the total number of electrons in an oxygen ion with a 2- charge?
What is the correct order of energy levels within a shell from lowest to highest?
What is the correct order of energy levels within a shell from lowest to highest?
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