Atoms, the building blocks of matter
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| law of conservation of mass | mass is neither created nore destroyed during ordinary chemical reactions or physical changes
🗑
|
||||
| law of definite proportions | a chemical compound contains the same elements in exactly the same proportions by mass regardless of the size of the sample
🗑
|
||||
| law of multiple proportions | If two or more different compounds are composed of the same two elements, then the ratio of the masses of the second element combined with a certain mass of the first element is always a ratio of small whole numbers
🗑
|
||||
| atom | the smallest particle of an element that retains the chemical properties of that element
🗑
|
||||
| atomic number | the number of protons in the nucleus of each atom of that element
🗑
|
||||
| isotopes | atoms of the same element that have different masses
🗑
|
||||
| nuclide | a general term for any isotope of any element
🗑
|
||||
| atomic mass unit | amu, 1/2 the mass of a carbon-12 atom
🗑
|
||||
| average atomic mass | weighted average of the atomic masses of the naturally occurring isotopes of an element
🗑
|
||||
| mole | amount of a substance that contains as many partiles as there are atoms in exactly 12g of carbon-12
🗑
|
||||
| molar mass | mass of one mole of a pure substance
🗑
|
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.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
rharris2
Popular Chemistry sets