{"loaderData":{"0":null,"0-7":[{"type":"fetchCompareWords/fulfilled","payload":{"data":{"display_form":"atomic number vs. mass number","slugsWithLunaData":[{"slug":"atomic-number","entryId":"u3bb48a285cbafaf0.-3bc55cee.14d9e5c6e13.65","lunaEntryData":[{"id":"u3bb48a285cbafaf0.-3bc55cee.14d9e5c6e13.65","type":"normal","entry":"atomic number","entrySyllabified":"a·tom·ic num·ber","entryVariants":[],"homograph":null,"pronunciation":{"ipa":"əˈtɒm ɪk ˈnʌm bər ","spell":"uh-tom-ik nuhm-ber ","audio":{"audio/ogg":"https://static.sfdict.com/audio/lunawav/NEW2016/atomicnumber_010.ogg","audio/mpeg":"https://static.sfdict.com/audio/NEW2016/atomicnumber_010.mp3"}},"predefinitionContent":"","posBlocks":[{"definitions":[{"order":1,"type":"simple","predefinitionContent":"","postdefinitionContent":"","definition":"the number of positive charges or protons in the nucleus of an atom of a given element, and therefore also the number of electrons normally surrounding the nucleus. Abbreviation: at. no.; Symbol: Z","synonyms":"","antonyms":"","cites":[]}],"pos":"noun","posSupplementaryInfo":""}],"origin":"First recorded in 1815–25","originData":null,"supplementaryNotes":[],"variantForms":["Also called pro·ton num·ber

[proh-ton nuhm-ber] /ˈproʊ tɒn ˈnʌm bər/ ."],"variantSpellings":[],"referenceData":[],"relatedForms":[],"confusables":[]}]},{"slug":"mass-number","entryId":"u3bb48a285cbafaf0.-3bc55cee.14d9e6e3a9b.-20ce","lunaEntryData":[{"id":"u3bb48a285cbafaf0.-3bc55cee.14d9e6e3a9b.-20ce","type":"normal","entry":"mass number","entrySyllabified":"mass number","entryVariants":[],"homograph":null,"pronunciation":null,"predefinitionContent":"","posBlocks":[{"definitions":[{"order":1,"type":"simple","predefinitionContent":"","postdefinitionContent":"","definition":"the integer nearest in value to the atomic weight of an atom and equal to the number of nucleons in the nucleus of the atom. Symbol: A","synonyms":"","antonyms":"","cites":[]}],"pos":"noun","posSupplementaryInfo":"Physics."}],"origin":"First recorded in 1920–25","originData":null,"supplementaryNotes":[],"variantForms":[],"variantSpellings":[],"referenceData":[],"relatedForms":[],"confusables":[]}]}],"mvp_group_no":"Group 2"}},"meta":{"arg":{"versus":"atomic number-vs-mass number"},"requestId":"0wmjukXHYRiR1KcWvdNiR","requestStatus":"fulfilled"}},{"type":"wordpress/fetchCompareWordsContent/fulfilled","payload":[],"meta":{"arg":{"versus":"atomic number-vs-mass number"},"requestId":"wER9ZY3mu4s5_sjg9mmLC","requestStatus":"fulfilled"}}]},"actionData":null,"errors":null}