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Atoms
The Periodic Table
Dot Diagrams
Ions
Vocabulary
100
What are the three particles that make up an atom?
Protons, Neutrons, Electrons
100
The man credited with creating the Periodic Table
Dmitri Mendeleev
100
The elements in Group 14 would have how many valence electrons (dots)?
4
100
An atom that has a net charge as a result of a loss or gain of electrons is known as what?
An ion
100
Elements that are good conductors of heat and electricity.
Metals
200
These two subatomic particles are located in the nucleus
Protons and Neutrons
200
A row on the periodic table is called what?
A period
200
Krypton would have how many dots?
Eight
200
An ion that has a negative charge resulting from the gain of electrons is known as what?
An anion
200
An arrangement of elements in columns, based on a set of properties that repeat from row to row.
Periodic Table
300
These subatomic particles have a negative charge and virtually no mass.
Electrons
300
A column on the Periodic Table is called what?
A group or family
300
Elements in Group 1 have how many valence electrons (dots)?
1
300
A positively charged ion that results from the loss of electrons is known as what?
A cation
300
Elements that share properties of both metals and nonmetals.
Metalloids
400
The mass number of an atom is the total of these two particles.
Protons and neutrons
400
The element located in Group 1, Period 3
Lithium
400
By looking at a dot diagram, you can determine which Group an element is in how?
By counting the number of dots (valence electrons)
400
What would be the overall charge of an ion that has lost 4 electrons?
+4
400
A model of an atom in which each dot represents a valence electron.
Electron Dot Diagram
500
An atom that has the same number of protons but a different number of neutrons is referred to as a(n) ______________.
Isotope
500
The only metal on the Periodic Table that is not a solid at room temperature.
Mercury
500
The number of dots (valence electrons) for an element in Group 17 is what?
7
500
The elements in Group 13 typically do what to have a complete outer electron shell?
Lose 3 electrons
500
The force that holds cations and anions together.
Ionic Bond