Reading...
Play button
Play button
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
|
periodic law
|
the statement that there is a periodic repeitition of chemical and physical properties of the elements when they are arranged by increasing atomic number
|
|
|
group
|
columns or familes
|
|
|
period
|
rows
|
|
|
representative element
|
the groups desiganated with an A (aA through 8A) are often referred to as the main group because they possess a whide range of chemical and physical properties
|
|
|
transition element
|
the groups designated with a B (aB through 8B)
|
|
|
metal
|
elements that are generally shiny when smooth and clean, solid at room temperature, and good conductors of heat and electricy; some metals are also ductile and malleable
|
|
|
alkali metal
|
group 1 A except Hydrogen -- chemically reacive-- more than the alkaline earth metals
|
|
|
alkaline earth metal
|
group 2A-- chemically reactive
|
|
|
transition metal
|
group B elements or transition elements
|
|
|
inner transition metal
|
the lanthanide and actinide series are located along the bottom of the periodic table
|
|
|
nonmetal
|
elements that are generally gases or brittle, dull looking solids, poor conductors of heat and electricity -- the only nonmetal that is a liquid at room temp is Br
|
