The Periodic Table
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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| What is periodic law? | when elements are arranged in order of increasing atomic #
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| What is there periodic repetition of ? | physical and chemical properties
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| What are the three most broad classification of all the element? | metals, metalloids and non-metals
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| What are some properties of metals? | 80% of elements, almost all are solids, good conductors of heat and electricity, luster, malleable and ductile
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| What are some properties of non-metals? | most are gases, the solids are brittle, poor conductors of heat and electricity
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| What are some properties of metalloids? | generally similar to metals and non-metals, properties can range between metallic and nonmetallic depending on the conditions
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| Who arranged the elements in order of increasing mass in a way that demonstrated a set of repeating properties? | Mendeleev
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| Who both created a table of elements? | Demitri Mendeelev and Lother Meyer, Mendeleev was given more credit because he published this earlier that year and better explained usefulness
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| Who identified five new elements? | Dalton and Lavoisier
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| By 1700 how many elements were identified? | 13 including gold, copper and silver
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| What does each period correspond to? | an energy level
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| Why are there more elements in higher # periods? | there are more orbitals
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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.
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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:
dwigmans13
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