2.3 Groups 13-16 Flashcards
The only nonmetal in Group 13 is…
boron
How does boron differ form the rest of group 13?
metalloid
What is the most abundant metal in the earth’s crust?
Aluminum
Describe some properties of Aluminum
– very light
– strong white metal
– reactive
– rapidly forms a tough film of oxide on its surface
Describe some properties of Gallium, Indium, Thallium
soft, reactive metals
What is so special about Gallium?
– exceptionally low melting point
– longest liquid range of any known substance
Which element is the base element for organic compounds?
carbon
Define Allotropes
forms of an element w/ different physical/chemical properties
What are the two most abundant elements in the earth’s crust
– Oxygen
– Silicon
What are Phosphorus’s three allotropic forms?
white, red, black
What is the most stable diatomic molecule known?
Nitrogen molecule
Oxygen forms compounds w/ all elements except…
noble gases
