Atomic Models
Structure of the Atom
Periodic Table
Vocabulary
Vocabulary
100
The negative charges are evenly scattered throughout an atom filled with a positively charged mass of matter
What is Thomson's Model
100
Positively charged subatomic particles
What is protons
100
Groups numbers = ?
What is # of valence electrons
100
Dense, positively charged mass located in the center of an atom
What is nucleus
100
An electron that is in the highest occupied energy level of an atom
What is valence electron
200
Discovered the nucleus
Who is Rutherford
200
Equals the number of protons in an element
What is atomic number
200
List 4 things always present for each element on the periodic table
What are name, symbol, mass number, atomic number
200
An arrangement of elements in columns, based on a set of properties that repeat from row to row
What is periodic table
200
Chapter 6: force that holds cations and anions together
What is ionic bond
300
Electrons spread throughout with positive charge centered in the nucleus
What is Rutherford's Model
300
Sum of protons and neutrons
What is mass number
300
How do you determine ionic charge from the periodic table?
What is metals are always positive and equal to how many they are above being full ( ex. Na= +1). Nonmetals equal to 8-group number ( ex. Cl= 8-7= -1)
300
Atoms of the same element that have different numbers of neutrons and different mass numbers
What are isotopes
300
Chapter 6: Chemical bond in which two atoms share a pair of valence electrons
What is covalent bond
400
Looks like planets revolving around the sun with the eelctrons in orbits around the nucleus
What is Bohr's Model
400
Equal to the number of protons and located outside the nucleus
What are electrons
400
Rows
What are periods
400
One-twelfth the mass of a carbon-12 atom
What is atomic mass unit
400
Chapter 6: A covalent bond in which electrons are not shared equally
What is polar covalent bond
500
Came up with a theory about the existence of atoms
What is Dalton's theory
500
List the three subatomic particles, their locations, and their charges
What is neutrons (neutral, nucleus), protons (positive, nucleus), electrons (negative, outside nucleus)
500
columns
What is groups
500
A region of space around the nucleus where an electron is likely to be found
What is orbital
500
Chapter 6: A covalently bonded group of atoms that has a negative or positive charge and acts as a unit
What is polyatomic ion
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