Structure of an Atom
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| atom | smallest piece of matter
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| protons | particles with an electrical charge - A positively charged subatomic particle.
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| neutrons | neutral particles with no electrical charge
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| atomic number | causes each element to be unique and different from other elements
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| periodic Table | elements are placed in order by increasing atomic number
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| electrons | a negatively charged subatomic particle.
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| atomic mass | the weighted average mass of the isotopes of that element
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| nucleus | the tiny central core of an atom and is composed of protons and neutrons
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| mass number | the total number of protons and neutrons in an atom
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| charge on a proton | +1
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| charge on an electron | -1
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| charge of an neutron | none
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| location of protons | inside the nucleus
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| location of electrons | outside the nucleus
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| element | an substance that cannot be broken down into other substances by physical or chemical means
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| amu | atomic mass unit
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| importance of proton | determines atom's identity
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| importance of electron | determines reactivity or how atoms interact with each other
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| importance of neutron | holds protons/nucleus together
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| properties that can be used to compare protons, electrons and neutro | charges, mass, and location
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| the difference between two isotopes of the same element | isotopes of an element has the same atomic number but differ in mass because they have different number of neutrons
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| the three subatomic particles | protons, neutrons and electrons
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
pevans89
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