knipp – nonmetals & metalloids

halogens
this group reacts by sharing or gaining one electron
semiconductors
substances that can conduct electricity under some conditions
fluorine
this element is added to water to help prevent tooth decay
carbon
this family can gain, lose, or share four electrons
helium
element used for filling blimps
nitrogen
element used in fertilizers
oxygen
most abundant element in the Earth’s crust
halogens
means “salt-forming”
diatomic
describes an atom that occurs in pairs
silicon
most common metalloid
hydrogen
makes up 90% of the atoms in the universe
noble gases
most unreactive group of elements
ozone
triatomic molecule of atom, layer in Earth’s atmosphere protects us against UV rays
chlorine
element used to kill bacteria in water
carbon
main ingredient in coal
phosphorus
highly reactive nonmetal in matches
bromine
only nonmetal that is a liquid at room temperature
nitrogen
most common gas in the Earth’s atmosphere
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