Exam Review: Unit 7 - Chapter 19 - Elements & Their Properties Flashcards
At room temperature, most metals are _______.
Solid
Most metals are solid at room temperature, except __________, which is liquid.
Mercury
Metalloids are located along the _______ line.
Stair-step
_________ is the only metal on the stair-step line.
Aluminum
Metalloids are ___________ of heat and electricity.
Semiconductors
Solid to Gas
Sublimation
Liquid to Gas
Evaporation
Gas to Liquid
Condensation
Salts are formed from _________&___________
Alkali Metals and Halogens
________ is the only nonmetal on the left side of the stair-step. Why?
Hydrogen; It only has 1 valence electron
Most reactive metal
Francium
Least reactive metal
Lithium
Most reactive nonmetal
Fluorine
Least reactive nonmetal (excluding Noble Gasses)
Iodine
Iron Triad:
Iron, Cobalt, & Nickel
The Iron Triad is located in group(s) _____ and period(s) _____
Groups 8-10
Period 4
Coinage Metals:
Copper, Silver, & Gold
The Coinage Metals are located in group(s) _____ and period(s) _____
Group 11
Periods 4-6
Elements with an atomic number greater than 92:
Transuranium Elements
Define Allotrope:
The same element with different molecular structure
3 Allotropes of Carbon & their shapes:
Graphite (Sheets on top of one another)
Diamond (Right angles connecting)
Buckminsterfullerene (Soccer ball)
# of electrons in outer shell: Group 1:
1
# of electrons in outer shell: Group 2
2
# of electrons in outer shell: Groups 3-12:
Varies
# of electrons in outer shell: Group 13:
3
# of electrons in outer shell: Group 14:
4
# of electrons in outer shell: Group 15:
5
# of electrons in outer shell: Group 16:
6
# of electrons in outer shell: Group 17:
7
# of electrons in outer shell: Group 18:
8 or 2
Name of Group 1
Alkali Metals
Name of Group 2
Alkaline Earth Metals
Name of Groups 3-12
Transition Metals
Name of Group 13
Boron Group
Name of Group 14
Carbon Group
Name of Group 15
Nitrogen Group
Name of Group 16
Oxygen Group
Name of Group 17
Halogens
Name of Group 18
Noble Gasses
Name of Atomic #’s 58-71
Lanthanides
Name of Atomic #’s 90-103
Actinides
True or False:
Lanthanum and Actinium are included in the Lanthanides and Actinides.
False
What are the Lanthanides and Actinides called collectively?
Inner Transition Metals