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chapter 1 review

atoms and matter

the region surrounding the central area Electron Cloud
The nucleus of an atom contains __________ and neutrons Protons
The nucleus has a ___________ charge and the most _____________ Positive, Mass
An electron is a _______________ charged particle located outside the nucleus Negatively
The modern model of an atom is called the ____________ model Electron-cloud
Electrons that are close the nucleus have ___________energy than electrons that are farther away Less
The atomic number is the number of __________ in the nucleus of an atom of an element Protons
Isotopes have the same number of protons but different numbers of _____________ Neutrons
An ion has a charge because it has gained or lost ______________ Protons
A _______________ ion has more protons than electrons Positive
Adding a _______________ to a neutral atom produces a new elemment Proton
Created by: dyerjer2987