Ch2 CHEM
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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| polymers | plastics
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| monomers | small repeating unit from which a polymer molecule is made
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| polymer backbone | carbon atoms linked together in a long chain in a polymer molecule
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| amu | atomic mass unit
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| 1 amu | 1.6605 x 10^-24 g
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| isotopic abundances | percentages of atoms of an isotope in a element sample
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| mass number | combined total protons and neutrons
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| monatomic ion | ion with single atom
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| polyatomic ion | groups of atoms that carry a charge
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| anions | negative charge
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| cation | positive charge
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| chemical bonds | attractive force between two atoms holding a molecule together
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| chemical formula | symbolic description of a molecule
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| molecular formula | number of atoms of each element in a molecule
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| empirical formula | simplest whole number ratio of atoms each element
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| hydrates | compounds with 1+ water molecules in crystal lattice
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| lattice | regular, periodic arrangement of molecules in crystalline solid
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| ionic bonding | one compound loses electron and another gains it, attraction between 2 make it come together
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| formula unit | smallest whole number ratio of cations and anions in ionic compound
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| metallic bonding | proton core surrounded by floating electrons
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| covalent bonds | shared electrons
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| periodic law | elements display a regular and periodic variation in chemical properties
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| periodicity | regular patterns of behavior
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| periods | horizontal rows
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| groups | vertical columns
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| alkali metals | group 1
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| alkali earth metals | group 2
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| halogens | group 17
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| noble gases | group 18
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| transition metals | groups 3-12
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| actinides | elements 89-103
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| lanthanides | elements57-71
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| metal | malleable, ductile, conduct electricity, and tends to form cations
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| nonmetal | not a metal
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| metalloids | some properties of metals, some properties of nonmetals
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| organic chemistry | anything involving carbon
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| inorganic chemistry | everything but carbon
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| line structure | visual representation of organic compounds
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| functional group | atoms in characteristic of organic compounds
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| addition reaction | 2+ smaller molecules form bigger molecule
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| hydrocarbons | molecules with only carbon and hydrogen
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| oxyanions | polyatomic anions with oxygen
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| HDPE | high density polyethylene
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| LDPE | low density polyethylene
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| UHMWPE | ultra-high molecular weight polyethylene
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| binary compound | compound with two different elements
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| chemical nomenclature | systematic assignment of names
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| free radicals | extremely reactive, unpaired electron
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| isotopes | atoms of same elements with different number of neutrons
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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:
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