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Study terms and definitions
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Anything that has weight and takes up space
Amount of particles in an object
The amount of space taken up by an object
What are the 3 states of matter?
Liquid, solid, and gas
Fundamental building blocks of chemistry and the smallest piece of an element and matter
A bond of two or more atoms
A bond of two or more atoms of a different element
Periodic table of elements
A chart containing all the different kinds of atoms
How many elements are there on the periodic table
What are vertical columns on the periodic table
What are horizontal rows on the periodic table
What does the atomic number represent
The amount of protons
What does the atomic mass represent
The amount of protons and neutrons combined
Organized the periodic table by atomic mass and chemical properties
Reorganized the periodic table by atomic number
What is all matter made out of?
What are atoms composed of?
Protons, neutrons, and electrons
Where are the protons in an atom?
Where are the neutrons in an atom?
Where are the electrons in an atom?
The electron cloud
What is the takeaway from the timeline?
Scientists build off of other scientists research and information
Repeating at regular intervals
Which subatomic particle has a positive charge?
Which subatomic particle has no charge?
Which subatomic particle has a negative charge?
Which subatomic particle gives the element its properties and identifies the element?
Which subatomic particle has the same amount as protons?
What do families have in common on the periodic table?
The same amount of electrons in the valence level and have the same properties
What happens as you move through the periods?
The energy level increases