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101723 ATOM

Horizontales
____lose electrons.
A subatomic particle with a positive charge is a __.
-Ck is the ___ion.
Pb+2 is the __ion.
__ gains 2 e-, getting a -2 charge.
Isotopes have ___ number of NEUTRONS.
When ___gains 3 e-, its charge is -3.
For isotope H-2, the ___number is 1.
Ag+ is the ___ion,.
When atom gain/lose electrons, it is a __.
In the Isotope ___-3, hydrogen has a MASS# of 3.
Verticales
An aton/ion of the same element has the same # of protons.
Isotopes have different ___numbers.
For the isotope formula, the mass# is written ___ the atomic number.
Become (-) ions because they gain e-.
Mass# - Atomic# = #____
When an atom loses e-, the charge becomes __.
___loses 3 e-, getting a +3 charge.
___ loses 2 electrons, getting a +2 charge.
When an atom takes an e-, the charge becomes __.
-F is the ___ion.
Atoms become ___ when they gain/lose e-, becoming electrically charged.