Atomic Model
P.T. Organization
Metals vs. Nonmetals
Family Names
Vocabulary
100
The periodic table is organized according to increasing WHAT?
What is the atomic number
100
How many neutrons does Flourine have?
What is ~10
100
In general what are four characteristics of metals.
What is good conductor, malleable, ductile, and luster
100
Group 1
What is alkali metals
100
Luster
What is shiny and reflective
200
Mendeleev created the first periodic table by arranging elements in order of WHAT?
What is atomic mass (no longer used)
200
How many protons does calcium have?
What is 20 (atomic number)
200
Which group contains the most elements?
What is metals.
200
Group 2
What is alkaline earth metals
200
diatomic molecule
What is made up of two atoms (di...two)
300
In an atom the number or protons equals the number of WHAT?
What is electrons (charges have to cancel each other out)
300
The periodic table is arranged in rows called WHAT?
What is periods
300
Contains properties similar to metals and nonmetals
What is a metalloid
300
Transition metals
What is Groups 3-12
300
thermal conductivity
What is ability to transfer heat
400
What are the particles in an atom and what are their charges?
What is proton (+), neutron (0), and electron (-)
400
Which group number contains the elements that are most reactive?
What is Group 1 (alkali metals)
400
At room temperature most of the metals are (solid, liquid, or gas)
What is solid (most nonmetals are gases)
400
Flourine, chlorine, bromine, and iodine are part of a family called WHAT?
What is Halogens.
400
Small region in the center of an atom
What is nucleus
500
Electrons move around the nucleus on the same path. What is this path called?
What is an atom's atomic orbitals
500
Two elements that have properties similar to those of chlorine are WHAT?
What is Be, Ca, Sr, Ba, Ra (accept any two)... in same group/column
500
The deterioration of a metal due to a chemical reaction in the environment is called WHAT?
What is corrosion
500
Do NOT react with other elements
What is noble gases
500
Substances that can conduct electric current under some conditions but not under other conditions.
What is semiconductors
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