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Elements
Metals
Elements in Groups
Rutherford's Model
Atoms
100
They are the horizontal rows.
What are groups?
100
The ability to transfer heat.
What is thermal conductivity?
100
Alkali metals
What are the elements in group 1?
100
An element that lacks most of the qualities of a real metal.
What is a nonmetal?
100
The smallest particle that is uncuttable.
What is an atom?
200
They are vertical columns.
What are periods?
200
The ability to transfer electricity.
What is electrical conductivity?
200
Alkaline Earth Metals
What are elements in group 2?
200
Halogens
What is the name of elements in group 17?
200
Atomus means uncuttable in greek.
What is the greek word for atom?
300
A table of elements.
What is the periodic table of elements?
300
The ease and speed in which a substance reacts with another substance.
What is reactivity?
300
Transition Metals
What are elements in group 3?
300
Inert gases.
What are the elements in group 18 called?
300
Democritus discovered atoms.
Who first discovered atoms?
400
It is a representation of an element.
What is a symbol?
400
The gradual wearing away of a metal.
What is corrosion?
400
Can be rolled and flattened into shapes.
What is malleable?
400
Metals that have some properties of real metals.
What are semimetals
400
Atoms make up elements
What are elements made of?
500
The average mass of all the isotopes of an element.
What is the atomic mass?
500
The nitrogen family
What are the elements in group 15 called?
500
It can be pulled out and be drawn into a long wire.
What is ductile?
500
Conductors that can conduct electricity only under some conditions.
What are semiconductors?
500
Atoms are found in matter.
Where are atoms found?