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Science C.A.

QuestionAnswer
The number of electrons is equal to the number of Atomic Number
The number of protons is equal to the Atomic Number
The number of neutrons is equal to the atomic mass minus the atomic number
the period number on the periodic table is equal to the number of shells
the group number on the periodic table is equal to the the number of valence electrons
the number of valence electrons for an atom is equal to the number of electrons on the outer shell
metals are on the left side of the periodic table
Non-metals are on the right side of the periodic table
Metalliods are between metals and non-metals.
the subatomic particles responsible for supplying most of of the mass of any atom. proton and neutrons
how many protons are in the element found in group 18, row 2? 10
how many neutrons are in the element found in period 3, group 13? 14
how many electrons are in the element found in period 3, group 8?
how many valence electrons are in the element found in period 2, group 1?
how many valence electrons are in the element found in period 6, group 18?
how many valence electrons are in the element found in period 2, group 13?
Atomic number increases as you move from left to right and top to bottom
valence electrons increase as you move from left to right
electron orbital/shells increase as you move from the top to the bottom
which element is in the same group as oxygen, but the same period as argon and has an atomic mass greater than phosphorus and less than chlorine? sulfur
Created by: lamdoan63
 

 



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