Chemistry Intro Worksheet
In the chart below write the three subatomic particles. In the second column write the charge on
the particle. In the third column, state the location of the subatomic particle within the atom. 3pts
Subatomic Particle Name
Subatomic particle charge
Subatomic particle location
The atomic number equals the number of _____________. 1pt
The mass number equals the number of _____________ plus the number of _____________. 1pt
The number of protons also equals the number of _____________ in an atom. 1pt
Answer the following questions based on the element below (round the weight of phosphorus
to 31):
What is the atomic number of phosphorus? ________ 0.5pt
What is the atomic weight of phosphorus? _________0.5pt
How many protons does phosphorus contain?
_________0.5pt
How many neutrons does phosphorus contain?
________0.5pt
How many electrons does phosphorus contain? _________0.5pt
How many electron shells does phosphorus contain? ________0.5pt
How many electrons are in the valence shell? _______0.5pt
If you found an isotope of phosphorus, what would be different about it? _____________ 0.5pt
Chemistry Intro Worksheet
In the chart below write the three subatomic particles. In the second column write the charge on
the particle. In the third column, state the location of the subatomic particle within the atom. 3pts
Subatomic Particle Name
Subatomic particle charge
Subatomic particle location
The atomic number equals the number of _____________. 1pt
The mass number equals the number of _____________ plus the number of _____________. 1pt
The number of protons also equals the number of _____________ in an atom. 1pt
Answer the following questions based on the element below (round the weight of phosphorus
to 31):
What is the atomic number of phosphorus? ________ 0.5pt
What is the atomic weight of phosphorus? _________0.5pt
How many protons does phosphorus contain?
_________0.5pt
How many neutrons does phosphorus contain?
________0.5pt
How many electrons does phosphorus contain? _________0.5pt
How many electron shells does phosphorus contain? ________0.5pt
How many electrons are in the valence shell? _______0.5pt
If you found an isotope of phosphorus, what would be different about it? _____________ 0.5pt
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