Unit 4 Vocab.
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 Mass | average mass of one atom of an element
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| Periodic Table | A chart where all elements are organized into periods and groups according to their properties
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| Chemical Symbol | one or two letter code that stands for an element
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| Period | A row of elements in a periodic table arranged by atomic number
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| Atom | smallest particle into which an element can be divided and still have the properties of that element
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| Electron | Negatively charged particle found inside the nucleus of an atom
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| Nucleus | center of an atom made up of protons and neutrons
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| Proton | positively charged particle located in the nucleus of an atom
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| Group | column of an elements in the periodic table in which elements have certain properties in common also called chemical family
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| Matter | the material that all objects and substances are made of
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| Element | Substances that are the building blocks of all matter made up of an atom
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| Compound | matter mae of tow or more elements
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| Neutron | in an atom particle with neutral charge lecated in the nucleus
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| Energy Level | Amount of energy carriede by an electron in an atom determines the electrons average distance from the nucleus
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| isotype | atoms of the same element with different numbers fo neutrons in the nucleus
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| Mass Number | The sum of the protons and nuetrons in the nucleus
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| Atomic Number | numbe of protons in the nucleus of an atom of an element
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| metal | element usually solid with a shiny surface metals conduct electricity and thermal energy well
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| Mallealbe | Term use d to describe material that can be pounded in to shapes
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| Ductile | term use to describe a material that can be pulled out into long wire
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| Conductivity | The ability of an object to transfer heat fo electricity to another object
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| Reactivity | The ease and speed with which an element combines with the elements
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| Corrosion | The gradual wearing away of metal element due to a chemical reaction
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| Alkali metal | An element in Gl of the periodic table
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| Alkali Earth metal | an element in G2 of the periodic table
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| Transition metal | one of the elements in G3 of periodic table
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| alloy | Mixture of two or more elements one which is metal
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| Nonmetal | elements the lacks most of the properties of metal
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| Diatomic Molecule | a molecule consisting of two atoms
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| halogen | an element found in G17 of periodic table
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| noble Gas | element in G18 of the periodic table
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| Metalliod | element that has some characteristics of both metals and nonmetals
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| Semi Conductor | Substance that can cinduct electricty undersome conditions
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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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