Review for Atomic Quest
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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| ductile | material that can be pulled out, or drawn, into a long wire
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| reactivity | ease of an element to combine or react with other elements and compounds
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| malleable | material that can be hammered or rolled into flat sheets and other shapes
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| amu | atomic mass units - protons or neutrons have a mass equal to one amu
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| chemical symbol | a one or two letter abbreviation of an element's name
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| alloy | a reaction of a metal with another element, usually another metal
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| covalent bond | atoms held together by sharing electrons
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| ionic bond | charged particles held together by an electrical attraction
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| valence electrons | electrons found in the outermost or valence shell of an atom
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| cloud | the part of an atom that contains electrons
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| atomic number | the number of protons in the nucleus of an atom
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| proton | particle of nucleus that has a positive charge
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| isotope | atoms with the same number or protons but a different number of neutrons
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| average atomic mass | the average mass of all the isotopes of an element
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| neutron | particle of nucleus that has no charge or is neutral
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| period | horizontal row of a periodic table
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| group | vertical column of a periodic table also known as a family
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| electron | particle of atom that has a negative charge and moves rapidly around the nucleus
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| conductive | ability to transfer heat or electricity to another object
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| corrosion | the destruction of a metal through reaction with air or water
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| metal | element whose properties include: shininess, malleability, ductility and conductivity
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| alkali metal | Group 1 metals that react by losing one electrons
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| alkaline earth metal | Group 2 metals that react by losing two electrons
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| transition metal | Groups 3 - 12 metals
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| halogens | Group 17 nonmetals that are very reactive
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| nobel gases | group 18 unreactive gases
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| chemical reaction | losing, sharing, or gaining electrons in its valence shell
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| ion | a charged particle that forms when an atom gains or loses electrons
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| metallic bond | charged metal ions are attracted to the electron cloud of a metal
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| mass of atoms | mostly located in the nucleus
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| volume of atoms | mostly the cloud of electrons
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| models | used when something is too big or small, too dangerous, or too fast or slow to observe
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| atomic particles | smaller particles called protons, neutrons and electrons
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| periodic table | contains the chemical name, chemical symbol, atomic number, and average atomic mass
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| Mendeleev | arranged the known elements of his day, in a table by atomic mass, failing to consider isotopes
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| molecule | the bonding of two or more atoms
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| mass number | sum of protons and neutrons in the nucleus of an atom
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| diatomic molecule | two atoms of the same element bonded together
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| synthetic element | a man-made element not found in nature
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| metalloid | an element that have properties of both metals and nonmetals, also called a semi-conductor
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| stable atoms | atoms are stable (happy, happy, happy) when they have eight valance electrons or none after reacting (except hydrogen and helium which need only two in the valance cloud or shell)
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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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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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