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Atomic Structure
Electron Dot Structure
Vocabulary
Main Ideas
Subatomic Particles
100
The atomic structure of a Hydrogen atom.
What is an atom containing 1 proton, 0 neutrons, 1 electron, 1 valence electron?
100
The electron dot structure of Hydrogen.
What is an 'H' with 1 dot?
100
The arrangement of elements by increasing atomic number and by changes in physical and chemical properties.
What is the periodic table?
100
This Russian chemist was the first to arrange elements into a periodic table based on their atomic masses and chemical properties.
Who is Dmitri Mendeleev?
100
The subatomic particles found in the nucleus of an atom.
What are protons and neutrons?
200
The atomic structure of Helium.
What is an atom containing 2 protons, 2 neutrons, 2 electrons, and 2 valence electrons?
200
The electron dot structure of Boron.
What is a 'B' with 3 dots.
200
The vertical columns in the periodic table.
What are groups or families?
200
The atomic number.
What is the number of protons in an atom?
200
The charge of a neutron.
What is neutral or having no charge?
300
The atomic structure of Oxygen.
What is an atom containing 8 protons, 8 neutrons, 8 electrons, and 6 valence electrons?
300
The electron dot structure of Nitrogen.
What is an 'N' with 5 dots?
300
The electrons in the outer energy level of an atom.
What are valence electrons?
300
The atomic mass.
What is the sum of protons and neutrons in an atom?
300
The charge of a proton.
What is a positive charge?
400
The atomic structure of Silicon.
What is an atom containing, 14 protons, 14 neutrons, 14 electrons, and 4 valence electrons?
400
The electron dot structure of Fluorine.
What is a 'F' with 7 dots?
400
An atom that contains the same number of electrons as it does protons.
What is a neutral atom?
400
The maximum number of electrons that the 1st energy level of the electron cloud can hold.
What are 2 electrons?
400
The charge of an electron.
What is a negative charge?
500
The atomic structure of Chlorine with a charge of -1 and an atomic mass of 35.
What is an atom with 17 protons, 18 neutrons, 18 electrons, and 8 valence electrons?
500
The electron dot structure of Neon.
What is an 'Ne' with 8 dots?
500
An atom that has the maximum number of electrons in its outer energy level.
What is a stable atom?
500
The maximum number of electrons that the 2nd energy level of the electron cloud can hold.
What are 8 electrons?
500
Atoms of the same element that have different numbers of neutrons.
What are isotopes?