Representative Groups
What element exists in almost every compound in your body?
Carbon and water
The most abundant element in earth's crust is...
How many groups(families) are there on the periodic table??
18
The atomic symbol " O " is
oxygen
what are 3 characteristics of noble gases?
colorless, odorless & rarely react
What two elements in group 5A are found in fertilizer?
Nitrogen and posphorus
there are ___ periods listed on the periodic table (fill in the blank)
7
The atomic symbol " Al " is
Aluminum
chlorine is added to water to..?
kill bacteria
elements that doesn't react easily with other elements can be useful for..
isolating other volatile elements
which group will you find oxygen in??
6A
The atomic symbol " Zn " is
Zinc
true or false:
halogens have similar physical properties but different chemical properties
false
Two metalloids in Grouo 4A
silicon and Germanium
true or false:
most elements listed on the periodic table have the same atomic number
false
The atomic symbol " Fe " is
Iron
true or false:
the main use of sulfur is to produce sulfuric
true
four common nonmetals in Group 7A
Fluorine , Chlorine, Lodine, Bromine
True or false:
Periods found on the periodic table runs from top to bottom & groups(families) runs from left to right
false
The atomic symbol " Th " is
Thorium