The atom, for science lesson 1+ 2
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 | is the smallest particle that still can be considered an element.
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| Electrons | negatively charged particles.
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| Nucleus | a small region in an atom's center
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| Protons | positively charged particles in a atom's nucleus.
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| Energy Level | The specific amount of energy an electron has.
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| Neutron | a particle with no electric charge.
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| Atomic Number | the number of protons in a nucleus of an atom.
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| Isotopes | atoms with then same number of protons and different number of neutrons.
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| Mass Number | the sum of protons and neutrons in the atom.
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| Atomic Mass | average mass of all isotopes of that element.
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| Periodic Table | an arrangement of elements showing the repeating pattern of their properties.
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| Chemical Symbol | below the atomic number.
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| Periods | an arrangement of rows.
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| Group | an arrangement of columns.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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.
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:
jaerodrod
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