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Atoms/Isotopes/Ions

QuestionAnswer
What is the atomic theory? All matter is made up of atoms
What is the current atomic model? Electron Cloud Model
What is the charge of proton? +1
What is the charge of a neutron? 0
What is the charge of an electron? -1
Where are protons and neutrons located? In the nucleus
Where are electrons located? Outside of the nucleus, in the electron cloud
What is the atomic number? The number of protons in an atom
What is the mass number? protons + neutrons
What is average atomic mass? the average mass of all the isotopes of an element
What is an isotope? Atoms of the same element with different numbers of neutrons
How do you find the number of neutrons? Mass number - Atomic number
When written in Nuclear Notation, what does the superscript show? Mass number
When written in Nuclear Notation, what does the subscript show? Atomic Number
In an atom, how do you find the number of electrons? number of electrons = number of protons
How do you find average atomic mass? multiply the mass of each isotope by its abundance, then add each result together
What is an ion? An atom with a positive or a negative charge.
What is a cation? An ion with a positive charge
What is an anion? An ion with a negative charge
Created by: 17417
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