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chapter 1 review

has to do with atoms and matter

Atoms have a central region called? Nucleus
What is the region that surrounds the nucleus? Electron
The nucleus contains ____________ and 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
Isotopes have the same number of protons but a different number of _____________. Neutrons
Adding a(n) _____________ to a neutral atom produces a new element. Proton
A _____________ ion has more protons than electrons. Positive
Ion which has a positive or negative ____________. Charge
The electron cloud contains particles called___________. Electrons
Created by: garlijac3611