Family- A column (the things up and down) in the periodic table.? Elements in the same group tend to have the same properties.? These are also called "families". ? group:? A column (the things up and down) in the periodic table.? Elements in the same group tend to have the same properties.? These are also called "families". ? period:? A row (left to right) in the periodic table. ? alkali metals:? Group I in the periodic table. ? alkaline earth metals:? Group II in the periodic table. ? halogen:? The elements in group 17.? They're really reactive. significant figure:? The number of digits in a number that tell you useful information. ? ionization energy:? The amount of energy required to pull an electron off of a gaseous atom.
Chemistry Unit 2 notes
Family- A column (the things up and down) in the periodic table.? Elements in the same group tend to have the same properties.? These are also called "families". ? group:? A column (the things up and down) in the periodic table.? Elements in the same group tend to have the same properties.? These are also called "families". ? period:? A row (left to right) in the periodic table. ? alkali metals:? Group I in the periodic table. ? alkaline earth metals:? Group II in the periodic table. ? halogen:? The elements in group 17.? They're really reactive. significant figure:? The number of digits in a number that tell you useful information. ? ionization energy:? The amount of energy required to pull an electron off of a gaseous atom.
Need Help?
We hope your visit has been a productive one. If you're having any problems, or would like to give some feedback, we'd love to hear from you.
For general help, questions, and suggestions, try our dedicated support forums.
If you need to contact the Course-Notes.Org web experience team, please use our contact form.
Need Notes?
While we strive to provide the most comprehensive notes for as many high school textbooks as possible, there are certainly going to be some that we miss. Drop us a note and let us know which textbooks you need. Be sure to include which edition of the textbook you are using! If we see enough demand, we'll do whatever we can to get those notes up on the site for you!