element

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Definition/MeaningWord/Phrase
mathematical element that when added to another number yields the same number 0 , cipher , cypher , nought , zero
nuclear weapon in which enormous energy is released by nuclear fission (splitting the nuclei of a heavy element like uranium 235 or plutonium 239) A-bomb , atom bomb , atomic bomb , fission bomb , plutonium bomb
(physics) the ratio of the number of atoms of a specific isotope of an element to the total number of isotopes present abundance
(chemistry) the ratio of the total mass of an element in the earth's crust to the total mass of the earth's crust; expressed as a percentage or in parts per million abundance
radioactive element of the actinide series; found in uranium ores Ac , actinium , atomic number 89
linguistic element added to a word to produce an inflected or derived form affix
soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal; occurs in argentite and in free form; used in coins and jewelry and tableware and photography Ag , atomic number 47 , silver
silvery ductile metallic element found primarily in bauxite Al , aluminium , aluminum , atomic number 13
structurally different form of an element allotrope
phenomenon of an element existing in two or more physical forms allotropism , allotropy
radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms Am , americium , atomic number 95
metallic element having four allotropic forms; used in a wide variety of alloys; found in stibnite antimony , atomic number 51 , Sb
poisonous metallic element, extremely arsenic
very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar arsenic , As , atomic number 33
compound of arsenic with a more positive element arsenide
element in a class article
distinct feature or element in a problem aspect , facet
highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium astatine , At , atomic number 85
minimal amount of an element atom
tiniest particle in a chemical element atom
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