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Per. Table

Periodic Table Things to Know

QuestionAnswer
What are the positive particles inside the nucleus of an atom? Protons
What are the negative particles that orbit around the nucleus of an atom? Electrons
What are the particles inside the nucleus of an atom that are neutral (no charge)? Neutrons
What is the same number as the atomic number? Protons and Electrons
What is the Atomic Mass minus the number of Protons? Neutrons
What is Protons plus Neutrons? Atomic Mass
How many electrons can the first level hold? 2
How many electrons can the second level hold? 8
How many electrons can the third level hold? 18
How many electrons can the fourth level hold? 32
How many electrons can the fifth level hold? 50
How many electons can the sixth level hold? 72
How many electons can the seventh level hold? 98
What is generally located near the top of the element box? Atomic Number
Element symbols can have one, two, or three letters: true or false? True
Electrons move so fast around the nucleus of an atom that it could be compared to the spokes of a bicycle: true or false? True
Created by: jmaxey
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