chemistry
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 an Atom? | The Smallest Particle of an element which retains all the chemical properties of the element.
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| Define Periodic Law | Elements are arranged in order of increasing atomic number.
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| Define Inner transition Elements | elements 58-71 (Cerium(Ce)-Lutetium(Lu)) and
elements 90-103 (Thorium(Th)-Lawrencium(Lr) shown in a sub table below the main table-They belong to the main table.
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| What is a Compound? | A combination of two or more pure substances that are chemically bonded to form a new pure substance.
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| What is an atomic number? | The sum of all the Protons in the nucleus of an atom.
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| How many electrons can sub shell D hold? | 10
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| What is an orbital | is a specific region of space that can hold 2 electrons.
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| Define Metal | Solids (except mercury), conductors of electricity- They can be formed with other metals to form alloys.
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| How many electrons can sub shell s hold | 2
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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:
Fred Heckeroth
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