has to do with atoms and matter
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Atoms have a central region called... | Nucleus
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| Nucleus contains particles called the _____ and ______. | Proton and Neutron
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| Same number as the protons. | Atomic number
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| Atoms have a region surrounding the central area called the _____. | Electron cloud
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| Atoms that have gained or lost electrons become _______. | Ions
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| Ions which have a positive or negative ________. | Charge
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| Positively charged particle in the nucleus of an atom... | Proton
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| Region surrounding an atom's nucleus where one or more electrons are often found... | Electron cloud
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| Negatively charged particle that occupies the space in an atom outside the nucleus... | Electron
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| One or more atoms of an element having the same number of protons but a different number of neutrons... | Isotope
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| Region at the center of an atom that contains most of the mass of an atom | Nucleus
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| An atom that has a charge because It has gained or lost electrons... | Ion
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| The number of protons in the nucleus of an atom of an element... | Atomic number
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| Uncharged particle in the nucleus of an atom... | Neutron
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| The nucleus of an atom contains _______ and neutrons. | Protons
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| The nucleus has a _______ charge and the ______ mass of the atom. | Positive, Most
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| An electron is a ________ charged particle located outside the nucleus. | Negatively
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| The modern model of an atom is called the ______ model. | Electron-cloud
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| Electrons that are close to the nucleus have _____ energy than electrons that are farther from the nucleus. | Less
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| The atomic number is the number of ______ in the nucleus of an atom of an element. | Protons
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| Isotopes have the same number of protons but different numbers of. | Neutrons
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| An ion has a charge because it has gained or lost... | Electrons
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| A ______ ion has more protons than electrons. | Positive
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| Adding a(n) ________ to a neutral atom produces a new element. | Proton.
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| Which particle in an atom has a positive charge? | The proton
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| Which particle in an atom has no charge? | The neutron
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| Which particle in an atom has a negative charge? | The electron
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| Where is most of the mass of an atom found? | In the nucleus
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| 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.
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| What is another word for a homogeneous mixture? | Solution
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
phillmac2704
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