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Bio Grade 9

The 3 particles of an atom: Protons, Neutron, Electrons
The 3 particles charges: Protons= Positive Charge Neutron= Neutral Charge Electrons= Negative Charge
The number of protons in one atom of an element determines the... The atomic number
The number of electrons determines the... Identity of the element
The atomic number tells you the number of... protons
The atomic number also tells the you the number of... Electrons in a neutral atom of that element
What will elements never share? The same atomic number
What is the average mass of an element's naturally occurring atom? The Atomic Mass
What is an element's total number of protons and neutrons in the nucleus of an atom? The Mass number
What is the mass number used to calculate? The number of neutrons
How do you calculate the number of neutrons in one atom of an element? Subtract the atomic number from the atomic mass number
Created by: lilly gaven