Multiple Choice
Which of the following is a characteristic of the nucleus (the part of the atom marked "a")?
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2. Atoms & Elements
The Atom
Multiple Choice
The form of oxygen that combines three oxygen atoms into each molecule is called _____.
A
peroxide
B
oxide
C
dioxygen
D
ozone
Verified step by step guidance1
Understand that oxygen can exist in different molecular forms, each with a specific number of oxygen atoms bonded together.
Recall that the most common form of oxygen we breathe is dioxygen, which consists of two oxygen atoms (O\_2) bonded together.
Recognize that when three oxygen atoms combine to form a molecule, this form is called ozone, represented chemically as O\_3.
Note that peroxide refers to compounds containing the O\_2\^{2-} ion, not a molecule of three oxygen atoms bonded together.
Therefore, the form of oxygen with three oxygen atoms per molecule is ozone.
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