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Periodic Table
Atoms
Groups
Metals
Metalloids
100
What is meant by periodic in periodic Table?
The table has repeated cycles
100
Which elements have properties of both metals and nonmetals?
metalloids
100
A halogen is an element that can react with a metal and form ____.
A salt
100
A metalloid acts as an insulator at ______.
Low temperatures
100
What is the name of group 18 in the periodic table?
Noble gases
200
What are the repeating patterns in Mendeleev's periodic table?
Melting point, boiling point, reactivity
200
The elements in the second column from the left edge of the periodic table are called???
Alkaline Earth metals
200
What is the most common element in the universe
hydrogen
200
All _______ except mercury are solids at room temperature.
metals
200
In general nonmetals are ???
gases at room temperature
300
What is the place of an element in the modern periodic table determined by?
The atomic number
300
Is this True or False, that about noble gases. They rarely form compounds in nature.
True
300
What elements are located between the metals and the non metals on the periodic table?
Metalloids
300
At room temperature most metals are???? Liquids, solids, gases
solid
300
Among alkali metals, the tendency to react with other substances ______. Increase, decrease, or varies in regards to the group they are in.
Increases from top to bottom within the group
400
Name the parts on the element key.
atomic number, state of matter, symbol
400
Helium and most nonmetals are found in what area of the periodic table?
on the right side
400
What is the most abundant metalloid in the universe?
silicon
400
Name a property of all metals.
Conduct electricity, shiny, malleable, ductile
400
What truly are the elements on the periodic table
Atoms
500
A single horizontal portion of the periodic table, as shown below, is called _______.
A period
500
A halogen is found in group _____.
17
500
A metalloid acts as a conductor at what temperature?
High Temperatures
500
Name the primary elements in the human body.
Nonmetals
500
What are atoms and what do they make up?
Various answers