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SG periodic table

sg for atoms

QuestionAnswer
does the number of electrons always has the same number as protons? yes
how many electrons can level 1 hold in a Bohr model 2 electrons
how many electrons can level 2 hold in a Bohr model 8 electrons
nucleous the center or core of an atom.
proton a positive electric charge.
neutron has no charge. they are neutral. Third type of particle in a atom moves in the space outside of the nucleus.
electron they move rapidly around the nucleus and had a negative charge.
atomic number the number of protons in its nucleus.
isotope same number of protons and a different number of neutrons.
mass number the sum of the protons and neutron in the nucleus of the atom.
model a picture or an object that explains it.
metal
malleable
ductile
conductivity
reactivity
corrosion
alkali metal
alkaline earth metal
transition metal
alloy
particle accelerator
atomic mass
periodic table
chemical symbol
period group
nonmetal
diatomic molecule
halogen
noble gas
metalloid
semiconductor
plasma
nuclear fusion
nebula
supernova
Created by: mcivetta