CMSScience8-Unit4
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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| Atomic Symbol | A 1 or 2 letter internationally agreed code for a chemical element, usually derived from the name of the element, often in Latin
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| Bohr Model | A model to illustrate the location of the electrons within the electron cloud of an atom
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| Periodic Table of Elements | table showing the chemical elements arranged according to their atomic numbers
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| Net Charge | The sum of negative and positive charges
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| Noble Gases | Non-reactive gases in Group 18 of the Periodic Table. Outer electron shells are full.
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| AMU | Atomic Mass Units
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| Atom | The smallest unit of an element that has all of the properties of the element containing a nucleus within an electron cloud
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| Atomic Mass | The average mass of an element derived from all the isotopes. Consists mostly of protons & neutrons.
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| Atomic Number | The number of protons in the nucleus of one atom of the element
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| Electrical Charge | A form of charge, designated as negative, positive, or neutral. Subatomic particlesd have electrical charges
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| Electron e- | A negatively charged subatomic particle of the electron cloud; involved in the formation of chemical bonds
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| Electron Cloud | All of the area inside an atom surrounding the nucleus where electrons are found
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| Electron Shell | An orbit followed by electrons around an atom's nucleus
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| Element | A pure substance in its most simplest stage.
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| Group | The columns on a periodic table. Elements in same group (column) have same number valence electrons.
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| Subatomic Particle | Particles smaller then the atom (proton, neutron, electron)
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| Energy Level | Regions around the nucleus of an atom where electrons may be found
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| Neutron | A subatomic particle of the nucleus of an atom without charge and contributes to the mass of an atom
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| Nucleus | The tiny, very dense, positively charged region in the center of an atom; made up of protons and neutrons
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| Period | The rows in a periodic table classifing the elements by the number of atomic shells
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| Proton p+ | A positively charged subatomic particle of the nucleus of an atom and contributes to the mass of the atom
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| Reactivity | The likelyhood an atom combines with other atoms based on valence electrons
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| Valence Electron | Number of electrons in outer most energy level of an atom. Influences how element will react with other substances
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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.
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.
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:
randyoliver
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