Atomic Theories
Particles
Atoms, Atoms, Atoms
Ions
Periodic Table
100
All matter is composed of _____________.
What is atoms?
100
The charge of a proton
What is positive?
100
If an atom was the size of a football field, this would be the size of a marble.
What is the nucleus?
100
A positive ion
What is a cation?
100
This tells us the number of protons in an atom.
What is the atomic number?
200
Atoms cannot be _______ or destroyed.
What is created?
200
The charge of an electron
What is negative?
200
A negative ion
What is an anion?
200
If we add together our protons and neutrons, we get this.
What is atomic mass?
300
All atoms of the same element are (different, identical).
What is identical?
300
The charge of a neutron
What is neutral?
300
These are the electrons that are found in the outermost shell, or energy level, of an atom.
What are valence electrons?
300
A cation (gains/loses) an electron.
What is loses?
300
The three main parts of the periodic table.
What are metals, nonmetals, and metalloids
400
Different elements have (the same, different) types of atoms.
What is different?
400
These two particles hang out in the nucleus.
What are protons and neutrons?
400
Neon is found in Group 18. How many valence electrons does it have?
What is 8?
400
An anion (gains/loses) an electron.
What is gains?
400
These are the columns of the periodic table; the elements share characteristics
What are groups?
500
He came up with the atomic theories.
Who is John Dalton?
500
This particle zooms around the energy shells (or rings) of an atom.
What is an electron?
500
These are atoms with the same number of protons, but a different number of neutrons.
What are isotopes?
500
A neutral atom has the same number of ____________ and ___________.
What are protons and electrons?
500
He came up with the first periodic table.
Who is Dmitri Mendeleev?
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