Multiple Choice
What is the smallest unit of gold that retains the chemical properties of gold?
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2. Atoms & Elements
The Atom
Multiple Choice
Where are the reactive electrons of an atom typically located?
A
In the outermost electron shell (valence shell)
B
In the innermost electron shell
C
In the neutron cloud
D
In the nucleus
Verified step by step guidance1
Understand that electrons in an atom are arranged in shells or energy levels around the nucleus.
Recognize that the outermost electron shell is called the valence shell, which contains the valence electrons.
Know that valence electrons are the ones involved in chemical reactions because they can be gained, lost, or shared with other atoms.
Recall that electrons in inner shells are more tightly bound and generally not involved in chemical bonding.
Conclude that the reactive electrons of an atom are typically located in the outermost electron shell (valence shell).
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