18 Questions
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.
What is the mass number of a carbon atom?
12
What is the atomic number of carbon?
6
What type of bonds does carbon typically form in organic compounds?
Covalent bonds
Which of the following elements is not typically found in organic compounds?
Sodium
How many covalent bonds can a carbon atom form?
4
Which of the following is a visual pollutant and respiratory irritant produced during incomplete combustion?
Carbon (soot)
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.
Which of the following is an allotrope of carbon with a tetrahedral lattice structure, making it the hardest natural substance?
Diamond
According to John Dalton's atomic theory, which of the following statements is correct?
Atoms are the smallest indivisible particles of matter.
Which model of the atom proposed that atoms consist of negatively charged electrons embedded in a positively charged 'pudding'?
Thomson's plum pudding model
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
How many subshells are present in Shell 4?
4 subshells
What is the energy level order of subshells from lowest to highest energy?
s < p < d < f
Which element prefers to have eight electrons in its valence shell?
Neon (Ne)
In terms of subshells, where are the electrons placed for elements in the 's block' of the periodic table?
s subshells
What is the total number of electrons in an oxygen ion with a 2- charge?
8 electrons
What is the correct order of energy levels within a shell from lowest to highest?
Main shells, Orbitals, Subshells
Test your knowledge on incomplete combustion, the effects of carbon as a visual pollutant, and the properties of different carbon allotropes such as diamond and graphite.
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