|Atoms have a central region called…
|Nucleus contains particles called the _____ and ______.
|Proton and Neutron
|Same number as the protons.
|Atoms have a region surrounding the central area called the _____.
|Atoms that have gained or lost electrons become _______.
|Ions which have a positive or negative ________.
|Positively charged particle in the nucleus of an atom…
|Region surrounding an atom's nucleus where one or more electrons are often found…
|Negatively charged particle that occupies the space in an atom outside the nucleus…
|One or more atoms of an element having the same number of protons but a different number of neutrons…
|Region at the center of an atom that contains most of the mass of an atom
|An atom that has a charge because It has gained or lost electrons…
|The number of protons in the nucleus of an atom of an element…
|Uncharged particle in the nucleus of an atom…
|The nucleus of an atom contains _______ and neutrons.
|The nucleus has a _______ charge and the ______ mass of the atom.
|An electron is a ________ charged particle located outside the nucleus.
|The modern model of an atom is called the ______ model.
|Electrons that are close to the nucleus have _____ energy than electrons that are farther from the nucleus.
|The atomic number is the number of ______ in the nucleus of an atom of an element.
|Isotopes have the same number of protons but different numbers of.
|An ion has a charge because it has gained or lost…
|A ______ ion has more protons than electrons.
|Adding a(n) ________ to a neutral atom produces a new element.
|Which particle in an atom has a positive charge?
|Which particle in an atom has no charge?
|Which particle in an atom has a negative charge?
|Where is most of the mass of an atom found?
|In the nucleus
|What is the difference between a heterogeneous mixture and a homogeneous mixture?
|A heterogeneous mixture is not evenly mixed while a homogeneous mixture is evenly mixed but not bonded together.
|What is another word for a homogeneous mixture?