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chapter 1 review

atoms that have gained or lost electrons become... ions
ions have a positive or negative charge
atoms have a central region called... nucleus
which contains particles called... protons and neutrons
the number of protons is the same as the atoms... atomic number
atoms have a region surrounding the central area called... electron cloud
electron cloud contains particles called... electrons
positively charged particle in the nucleus of an atom proton
region surrounding an atoms nucleus where one or more electrons are often found electron cloud
negatively charged particle that occupies the space in an atom outside the nucleus electron
one or more atoms of an element having the same number of protons but different number if neutrons isotope
region at the center of an atom that contains most of the mass of an atom nucleus
an atom that has a because it has gained or lost electrons ion
the number of protons in the nucleus of an atom of an element atomic number
uncharged particle in the nucleus of an atom neutron
the nucleus of an atom contains ______ ans neutrons protons
an electron is a __________ particle located outside the nucleus negatively charged
the modern model of an atom is called the _______ model electron cloud
Created by: royerbri2706