Question

Fill In The Blanks:-
1. Duringachemicalreaction,thesumofthe_________ofthereactantsand products remain unchanged.
2. Inapurechemicalcompound,elementsarealwayspresentina________ proportion by mass.
3. Clustersofatomsthatactasanionarecalled__________ions.
4. Inioniccompounds,thechargeoneachionisusedtodeterminethe
________of type compound.
5. TheAvogadroconstant_________isdefinedasthenumberofatomsin
exactly ________ of crbon-12
6. Massof1moleofasubstanceiscalledits__________.
7. Theabbreviationusedforlengthnamesofelementsaretermedastheir
_______.
8. Achemicalformulaisalsoknownasa________.
9. Thoseionswhichareformedfromsingleatomsarecalled_________.
10.Ionic compounds are formed by the combination between ______ an ______.
11.The valency of an ion is _________ to the charge on the ion. 12.Mole is a link between the __________ and __________. 13.The SI unit of amount of a substance is __________.

Answer 1

Answer:

jdjdhdhhdhdhejejsjdjkdjddjddiiiiiriririrjrjrrjrjdjrjrjrjrjdjdjdjrjdjjdjdjdj

bsjrbrbjrjrjfbrjrjvtbrjr tctbvct

Explanation:

hshdhdorrksbtjsbtjebvrhevc