| A | B |
|---|
| allotrope | different structure of the same element |
| diatomic | occuring in pairs |
| ductile | can be drawn into wire |
| malleable | can be pounded into sheets |
| metallic bonding | positive ions surrounded by freely moving electrons |
| radioactive | breaks down and gives off particles |
| semiconductors | will conduct electricity under certain conditions |
| sublimation | goes from a solid directly to a gas |
| transition elements | elements in groups 3-12 |
| transuranium elements | elements higher than 92 on periodic table |
| magnesium | light metal that burns bright white |
| sodium | alkali metal found in table salt |
| lithium | treat bipolar disorder/ used in batteries |
| potassium | metal found in bananas |
| berylium | gives emeralds and aquamarines color |
| calcium | good for bones and teeth |
| strontium | the red in fireworks |
| iron cobalt nickel | only magnetic elements |
| mercury | used in thermometers |
| ores | rocks w/ high concentrations of metals |
| americium | radioactive element in smoke detectors |
| oxygen | makes up 65% of human body |
| hydrogen | 90% of the atoms in the universe |
| iodine | element that sublimates |
| halogens | group 17 "saltformes" |
| argon | noble gas used in windows |
| chlorine | halogen used in pools and drinking water |
| diamond and graphite | allotropes of carbon |
| galium indium and thalium | semicunductors |
| bismuth | radioactive element in auto-sprinklers |
| selenium | important element for heart patients |
