Classify Elements
Groups vs. Periods
Metals and Non-metals
Metalloids
Properties of elements
100
What is the atomic number of carbon?
6
100
How many groups are in the periodic table?
18
100
Name 4 metals.
Lead, Silver, Gold, and sodium,etc...
100
What are metalloids?
Metalloids are elements that have properties of both metals and nonmetals.
100
How many elements are not solid?
13
200
What is the atomic mass of helium?
4.003
200
What group is the most reactive?
Alkali Metals
200
Where is the most nonmetals located?
To the right of the periodic table.
200
Name 3 elements that are nonmetals.
Boron, Silicon, Germanium
200
What element conduct heat and electricity well?
metals
300
What is HG?
Mercury
300
What group is the most nonreactive?
Noble Gases
300
What elements are the most nonreatcive?
Noble gases
300
What does metalloids make up that are found in devices?
Semiconductors
300
How many Halogens are there?
5
400
What element has an atomic number of 36?
Krypton
400
If flourine and chlorine are gases does that mean that the other elements are gases to?
No the members of a family, of a elements are related but not identical
400
HeatMetals are elements that conduct electricty and what?
Heat
400
What is the most common metalloid?
Silicon
400
What are gases at room temperature?
Liquids
500
What element has an atomic mass of 131.29?
Xenon
500
What is the name and group number of elemnets that combine easily with other elements and compounds especially with the elements in group 1 and 2?
Halogen, and group 17
500
How many liquids are there and name them?
2; Mercury and Bromine
500
Metalloids and what have a wide range of properties?
Nonmetals
500
Where are the nonmetals?
Elements to the right side of the periodic table
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