chem 8th grade
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| atomic number | the number of protons in the nucleus of an atom
🗑
|
||||
| electron cloud | a region inside an atom where electrons are like;y to be found
🗑
|
||||
| Dimitri Mendeleev | created the first periodic table
🗑
|
||||
| John Dalton | believed "atoms cannot be created or destroyed" #all elements made of atoms which combine to form compounds"
🗑
|
||||
| therm | unit of heat
🗑
|
||||
| plastic | term used to describe a material that doesn't return to its original shape after stretching
🗑
|
||||
| adhesive | able to stick
🗑
|
||||
| endo | internal within
🗑
|
||||
| exo | giving out
🗑
|
||||
| periodic table | table of the elements arranged according to their atomic number
🗑
|
||||
| family/group | vertical column of elements on the periodic table
🗑
|
||||
| period | horizontal row of elements on the periodic table
🗑
|
||||
| chemical property | a property of matter that describes a substance based on its ability to change into a new substance with different properties
🗑
|
||||
| physical property | a property of matter that can be observed or measured without changing the identity of the matter
🗑
|
||||
| metals | elements that are shiny,ductile,malleable andare good conductors of thermal energy and electrical current
🗑
|
||||
| non-metals | elements that are not shiny are poor conductors of thermal energy and electrical current
🗑
|
||||
| metalloids | elements that have properties of both metals and non-metals: sometimes known as semi-conductors
🗑
|
||||
| insulators | materials that reduce or inhibit the transfer of thermal energy and electrical current
🗑
|
||||
| conductors | materials that conduct thermal energy and electric current well
🗑
|
||||
| ions | a charged particle that forms during chemical changes when one or more valence electrons transfer from one atom to another
🗑
|
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:
agarbutt
Popular Chemistry sets