Vocabulary
Elements
Organization
History
Review from year
100
The smallest particle that has the properties of an element
What is an atom?
100
Has the atomic number 8 and atomic mass of 16
What is oxygen?
100
Contains metals, 1 electron in the outer level, very reactive
What is Alkali metals?
100
He discovered the pattern of elements
Who is Mendeleev?
100
Mass/ Volume is the equation for what?
What is Density
200
The center of an atom; made up of protons and neutrons
What is a nucleus?
200
Hydrogen
What is the element that has the atomic number of 1?
200
Contains metals, 2 electrons in outer shell, very reactive but less than the Alkali metals
What is Alkaline metals?
200
What year did Mendeleev predict the first pattern of elements?
What is 1869?
200
Define Matter
What is anything that takes up space and has a mass
300
A horizontal row of element in the periodic table
What is a period?
300
Has a full outer shell. Very stable, doesn't bond with others
What is noble gases
300
Contains 1 metalloid and 5 metals, 3 electrons in the outer shell, reactive, solid at room temperature
What is Boron group ( group 13)
300
What property did Mendeleev use to position the elements on the periodic table?
What is atomic mass?
300
How do you find the volume of a regular shaped solid object
What is Length xWidth x height
400
The law that states that the repeating chemical and physical properties of elements change periodically with the atomic numbers
What is periodic law?
400
Solid at room temperature, shiny, conduct heat
What is metals?
400
Contains 1 non metal, 2 metalloids, and 3 metals, 4 electrons in the outer shell, solid at room temp
What is Carbon group ( group 14)
400
He determined the number of protons in an atom
Who is Henry Mosely
400
What are the 5 states of matter and explain them
What is Solid, Liquid, Gas, plasma, BEC
500
A vertical column of elements in the periodic table
What is a group?
500
Non malleable, not ductile, not shiny, poor conductors of heat
What is non-metals?
500
Contains non metals, 7 electrons in the outer shell, very reactive, poor conductors of electricity, violent reactions with alkali metals to form salts
What is Halogens ( group 17)
500
Why did Mendeleev leave blanks in the table?
What is he predicted that elements yet to be found would fill these gaps.
500
Liquid to gas Liquid to solid
What is Evaporation what is Freezing
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