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chapter 1.1 review

atoms and matter

Protons and neutrons are in the ______ of the atom. nucleus
The atomic number is the number of ______ in the nucleus of an atom of an element. proton
A _______ ion has more protons than electrons. postive
Electrons that are close to the nucleus have __________ than electrons that are farther from the nucleus less energy
An electron is a _______________ particle located outside the nucleus. negatively charged
An ion has a charge because it has gained or lost __________. electrons
The nucleus has a positive charge and the __________ of the atom. most mass
Adding a(n) __________ to a neutral atom produces a new element. proton
Which particle in an atom has a positive charge? proton
Which particle in an atom has no charge? Neutron
Where is most of the mass of an atom found? nucleus
What particles in an atom has a negative charge? electron
The _________ is the number of protons in the nucleus of an atom of an element. atomic number
Created by: colbuhan2686