Multiple Choice
In an atom, which type of electrons are primarily responsible for shielding the nucleus from the valence electrons?
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2. Atoms & Elements
The Atom
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Ozone is a molecule in the upper atmosphere that is made up of three atoms of _____.
A
carbon
B
hydrogen
C
oxygen
D
nitrogen
Verified step by step guidance1
Identify the molecular composition of ozone by recalling its chemical formula. Ozone is represented as \(O_3\), which means it consists of three atoms of oxygen.
Understand that the options given are carbon, hydrogen, oxygen, and nitrogen. Since ozone's formula is \(O_3\), it clearly contains oxygen atoms.
Recall that ozone is a triatomic molecule made exclusively of oxygen atoms, distinguishing it from other molecules like nitrogen (\(N_2\)) or carbon dioxide (\(CO_2\)).
Recognize that the question asks for the type of atoms making up ozone, so the correct answer is oxygen.
Summarize that ozone is a molecule in the upper atmosphere composed of three oxygen atoms, which is why its formula is \(O_3\).
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