Science vocab 14-1
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 | The basic building block of matter
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| Electron | A negativity charged particle in an atom
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| Element | A substance that can not be broken down and it is pure
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| Ion | An atom that has a different number of electron than protons
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| Isotopes | Atoms with the same number of protons but with the different number of neutrons
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| Neutrons | An charged particle in the nucleus of an atom
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| Periodic table | A table of chemical elements arranged in order of atomic number usually in rows
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| Proton | A positively charged particle in an atom
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| Nucleus | The central part of an atom
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| J. J. Thomson | An English scientist that discovered electrons by preforming an experiment with a cathode ray "Plum - Pudding Model"
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| Niels Bohr | A Danish scientist who disagreed with J. J. Thompson and found out that electrons travel in orbital (energy levels) around the nucleus
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| Radiation | Energy in the form of electromagnetic waves
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| Metals | Shiny and conduct electricity and heat. One way to characterize a element. To the left of the stair steped line
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| Non-metals | Dull luster and are poor conducters of electricity and heat. One way to characterize an element. To the right of the stair steped line
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| Semi-metals | Condicts electricity and heat better than non-metals but poorly than metals. Also called metaliods. Found along the stair stepped line execpt AL.
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| Dmitiri Mandeleyez | Made the first periodic table with 63 elements
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| Chemistry | A branch of science that studies the structure properties and reactions of the chemical elemements and compounds they form.
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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:
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