Chem Ch #4
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Main group elements | Groups 1A-7A
🗑
|
||||
| Noble Gasses | Group 8A
🗑
|
||||
| Valence Electrons | Outermost electrons
🗑
|
||||
| 1A | Alkali Metals
🗑
|
||||
| 2A | Alkaline Earth Metals
🗑
|
||||
| 7A | Halogens
🗑
|
||||
| Nuclear Charge (z) | Number of protons in the nucleus of an atom
🗑
|
||||
| Effective nuclear charge (Z eff) | Magnitude of positive charge that is experienced by the electron in an atom.
🗑
|
||||
| Shielding | Electrons being repelled by each other but attracted to the nucleus.
🗑
|
||||
| From left to right across a period, Z eff... | increases steadily
🗑
|
||||
| Metallic Radius | half the distance between the nuclei of two adjacent, identical metal atoms.
🗑
|
||||
| Covalent raduis | Half the distance between two adjacent identical nuclei that are connected by a chemical bond.
🗑
|
||||
| From left to right across a period, atomic radius... | decreases
🗑
|
||||
| From top to bottom in a group, atomic radius... | increases
🗑
|
||||
| Ionization Energy (IE) | Minimum energy required to remove an electron from an atom in the gas phase.
🗑
|
||||
| Ion | Chemical species with a net charge.
🗑
|
||||
| When Z eff increases ionization energy... | increases
🗑
|
||||
| From left to right across a period, ionization energy... | increases
🗑
|
||||
| From top to bottom in a group, ionization energy... | decreases
🗑
|
||||
| According to coulombs law, as distance increases effective charge... | decreases
🗑
|
||||
| Chemical process | A process in which the identity of the matter involved changes.
🗑
|
||||
| Electron affinity | Energy released when an atom in the gas phase accepts an electron
🗑
|
||||
| From left to right across a period, electron affinity... | increases
🗑
|
||||
| Metals are... | Shiny, malleable, ductile, good conductors of heat and electricity, and low ionization energy.
🗑
|
||||
| Nonmetals are... | Brittle, poor conductors of heat and electricity, high electron affinities, and vary in color.
🗑
|
||||
| Metalloids are... | With properties intermediate of metals and nonmetals.
🗑
|
||||
| Metallic character | the name given to the set of chemical properties associated with elements that are metals
🗑
|
||||
| Diagonal Relationship | Similarities between pairs of elements in different periods and groups.
🗑
|
||||
| Ionic Radius | The radius of an anion/cation
🗑
|
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:
grijalvard
Popular Chemistry sets