Atoms
Electrons
Periodic Table
Families/Classification
Vocabulary
100
electron
What is subatomic particle that is negative
100
Bohr's model
What is electrons move around like planets
100
Period
What is a horizontal row of elements in the periodic table.
100
Alkali Metals
What is Group 1
100
Metal
What is shiny and conducts heat and electicity well.
200
Neutron
What is subatomic particle that is neutral. no charge.
200
Orbital
What is region in an atom where there is a high probability of finding electrons
200
Group
What is vertical column of elements in the periodic table.
200
Halogens
What is group 17.
200
Ion
What is an atom or group of atoms that has lost or gained one or more electrons and has a negative or positive charge.
300
Nucleus
What is contains the protons and neutrons. the center of the atom.
300
Valence Electron
What is an electron that is found in the outermost shell of an atom and that determines the atom's cheimcal properties.
300
Atomic Number
What is the number of protons in the nucleus of an atom.
300
non reactive group.
What is noble gases.
300
Nonmetal
What is element that conducts heat and electricity poorly
400
No charge
What is charge of an atom is neutral
400
8
What is number of electrons in energy level 2.
400
Atomic mass
What is the sum of the protons and neutrons in the nucleus of an atom.
400
full outershell
What is why are nobel gases inert.
400
Isotope
What is an atom that has the same number of protons as other atoms of the same element do but that has a different number of neutrons.
500
Oxygen atoms
What is oxygen has what type of atoms
500
32
What is number of electrons in energy level 4.
500
Transition metals
What is group 3-12 on the table.
500
Semiconductors/metalloids
What is contains properties of both metals and nonmetals.
500
smallest part of an element that still has the element's properties.
What is atom
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