Locations of Groups
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Periodic Table of Elements
Atom
Vocabulary
100
transition metals
What is group 3-12
100
building block of matter
What is Atom
100
Organization of the periodic table is based on?
What is number of protons in an atom
100
positive charge
What is proton
100
horizontal row of elements in the periodic table
What is period
200
Noble gases
What is group 18
200
Said electrons move around like planets
What is Bohr
200
Atomic Mass (mass number)
What is sum of the number of protons and neutrons in the nucleus of an atom.
200
neutral charge
What is neutron
200
a vertical column of elements in the periodic table
What is group
300
Alkali metals
What is group 1
300
Different versions of an atom because they each have different number of neutrons.
What is Isotope
300
Group 17 elements
What is Halogen
300
negative charge
What is electron
300
a region in an atom where there is a high probability of finding electrons
What is orbital
400
Halogens
What is group 17
400
an electron that is found in the outermost shell of an atom that determines the atom's chemical properties.
What is valence electron
400
Elements with some properties of metals and some properties of nonmetals
What is semiconductors
400
protons and neutrons location
What is nucleus
400
Atoms of elements in the same group of the periodic table . . .
What is similar chemical properties (same number of valence electrons)
500
Alkaline-earth metals
What is group 2
500
an atom or group of atoms that has lost or gained one or more electrons and has a negative or positive charge
What is ion
500
Group 1, very reactive
What is Alkali Metals
500
electron movement
What is waves on a vibrating string
500
Group 18
What is group with a filled outermost energy level
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