Download Atoms and Ions Worksheet

Name: ___________________________________________
Date: _____________
Period: _______
Atoms and Ions
What is the difference between an atom and an ion?
What is the difference between a cation and an anion?
Remember:
To write the ion symbol, you must write the element symbol with the charge written on the top right.
Examples: Ca2+, Zn2+, Ag1+
Use the Bohr Model system when filling in electrons.
Don’t forget to use the resources on my webpage.
Practice
Draw in the electrons and fill-in-the-boxes. (For mass numbers, round the atomic mass.)
The first one has been completed for you.
Lithium atom
Lithium atom
Atomic number: 3
Atomic number: 3
Mass number: 7
Mass number: 7
Protons: 3
Protons: 3
Neutrons: 4
Neutrons: 4
Electrons: 3
Electrons: 2
Ion symbol: Li+
Lithium ion
The Lithium atom loses one electron and becomes a positive ion, written as Li +
Beryllium atom
Atomic number:
Mass number:
Protons:
Neutrons:
Electrons:
Beryllium atom
Beryllium ion
Lithium ion
Cation/Anion: cation
Beryllium ion
Atomic number:
Mass number:
Protons:
Neutrons:
Electrons:
Ion symbol:
Cation/Anion:
Boron atom
Atomic number:
Mass number:
Protons:
Neutrons:
Electrons:
Boron atom
Boron ion
Ion symbol:
Cation/Anion:
Nitrogen atom
Atomic number:
Mass number:
Protons:
Neutrons:
Electrons:
Nitrogen atom
Nitrogen ion
Oxygen ion
Fluorine ion
Oxygen ion
Atomic number:
Mass number:
Protons:
Neutrons:
Electrons:
Ion symbol:
Cation/Anion:
Fluorine atom
Atomic number:
Mass number:
Protons:
Neutrons:
Electrons:
Fluorine atom
Nitrogen ion
Atomic number:
Mass number:
Protons:
Neutrons:
Electrons:
Ion symbol:
Cation/Anion:
Oxygen atom
Atomic number:
Mass number:
Protons:
Neutrons:
Electrons:
Oxygen atom
Boron ion
Atomic number:
Mass number:
Protons:
Neutrons:
Electrons:
Fluorine ion
Atomic number:
Mass number:
Protons:
Neutrons:
Electrons:
Ion symbol:
Cation/Anion:
Classification
Identify each element as a metal, nonmetal or metalloid.
Zinc
Nitrogen
Hydrogen
Calcium
Boron
Helium
Aluminum
Germanium
Magnesium
Silicon
List four physical properties of metals, nonmetals and metalloids.
Metals
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Nonmetals
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Metalloids
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