Term
| what are the horizontal rows also called? |
|
Definition
|
|
Term
| what element has 6 valence & 2 shells? |
|
Definition
|
|
Term
| what element am i? Alkaline earth metal with 5rings. |
|
Definition
|
|
Term
| How many protons/ neutrons/ electrons does potassium have? |
|
Definition
|
|
Term
| What can you predict from the location on the periodic table? |
|
Definition
|
|
Term
| which elements have the same # of valence electrons? |
|
Definition
| elements in a group or family |
|
|
Term
| what element is a part of the oxygen family & has 3 rings |
|
Definition
|
|
Term
| How many protons/neutrons/electrons does cesium have? |
|
Definition
|
|
Term
| which particle has a positive charge? |
|
Definition
|
|
Term
| which particle has no charge? |
|
Definition
|
|
Term
| which particle has a negetive charge? |
|
Definition
|
|
Term
| which particle orbits around the nucleus? |
|
Definition
|
|
Term
| what does the atomic # also =? |
|
Definition
|
|
Term
| what does the # of protons also equal? |
|
Definition
|
|
Term
| how do you find the # of neutrons? |
|
Definition
|
|
Term
| what are the colums on the periodic table also called? |
|
Definition
|
|
Term
| What does the period tell you about the element? |
|
Definition
| tells you the amount of shells the element has |
|
|
Term
|
Definition
| # of electrons in outer shell |
|
|
Term
| how many valence does any element in a group 17 have? |
|
Definition
|
|
Term
| how many valence does any element in group 2 have? |
|
Definition
|
|
Term
| Why are valnce electrons important? |
|
Definition
| valence electrons are the electrons that are involved with chemical bonding |
|
|
Term
| which group is non reactive? |
|
Definition
|
|
Term
| electron dot diagrams = the # of _____? |
|
Definition
|
|
Term
| how many electrons can the first shell hold,second shell,third shell |
|
Definition
|
|
Term
| what are the elements that share properties of metals & nonmetals called? |
|
Definition
|
|
Term
| which element has 3 valence & 4 shells? |
|
Definition
|
|
Term
| which element is in period 6 & in group 18? |
|
Definition
|
|
Term
| how is the periodic table arranged? |
|
Definition
| by the increase in the atomic # from left to right |
|
|
Term
| what is group 1 also known as? |
|
Definition
|
|
Term
| which group are most reactive? |
|
Definition
|
|
Term
| what is group 2 also known as? |
|
Definition
|
|
Term
| what is group 13-16 also known as? |
|
Definition
g13- boron family
g14-carbon family
g15-nitrogen family
g16-oxygen family |
|
|
Term
| what is group 17 also known as? |
|
Definition
|
|
Term
| what is group 18 also known as? |
|
Definition
|
|
Term
| who is the scientist most known for creating the periodic table? |
|
Definition
|
|
Term
| where are the meltoids found? |
|
Definition
|
|
Term
| what is the sun mostly made of? |
|
Definition
|
|
Term
| what is the key ingrediant of matches? |
|
Definition
|
|
Term
| what is the overall electrical charge of an atom? |
|
Definition
|
|
Term
|
Definition
| ozone,it is found in the upper atmosphere & it screens out harmful radiation |
|
|
Term
| Which groupsare the transition metals? |
|
Definition
|
|
Term
| t or f: oxygen is highly reactive: it can combine with almost every other element? |
|
Definition
|
|
Term
| where are lanthides found on the periodic table? |
|
Definition
| under the table,top row above actinides |
|
|
Term
| what is used in small amounts to kill bacteria in water supplies? |
|
Definition
|
|
Term
| where do we get (or find) all the elements after uranium (elements 93-102) |
|
Definition
| created artifically in the labrotories |
|
|
Term
| what does synthetic mean? |
|
Definition
| Elements that are not found naturally found on Earth |
|
|
Term
| How much of the universe is made up of hydrogen? |
|
Definition
|
|
