Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
11 Cards in this Set
- Front
- Back
|
valence electrons |
electrons that arein the highest energy level and held most loosely |
|
|
electron dot diagram |
includes the symbol for the elementsurrounded by dots |
|
|
chemical bond |
the force of attraction that holds two atoms together as a resultof the rearrangement of electrons between them |
|
|
symbol |
each element is represented by this |
|
|
atomic number |
the number of protons in the nucleus of an atom |
|
|
period |
A row of elements across the periodictable |
|
|
group |
Elements in the same column |
|
|
family |
Elements in the same column |
|
|
noble gas |
The Group 18 elements. Atoms of these elements have eight valenceelectrons, except for helium,which has two |
|
|
halogen |
The elementsin Group 17. Have seven valence electrons |
|
|
alkali metal |
Group 1. Have only onevalence electron |
