Atoms Ions And Molecules Worksheet
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1
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4SECTION
ATOMS, IONS, AND MOLECULES
2.1
Study Guide
KEY CONCEPT
VOCABULARY
All living things are based on atoms and
atom
ion
molecule
their interactions.
element
ionic bond
compound
covalent bond
MAIN IDEA: Living things consist of atoms of different elements.
How are atoms and elements related?
1.
Sketch the structure of an atom. Label the protons, neutrons, nucleus, and electrons.
2.
How do compounds differ from elements?
3.
MAIN IDEA:
Ions form when atoms gain or lose electrons.
What is an ion?
4.
Why does an ion have an electrical charge?
5.
11
Chemistry of Life
Study Guide
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