What product(s) are formed during this chemical reaction? (There will be two correct answers) Ca + Na3PO3 rightwards arrow

CaNaPO3

Ca3(PO4)2

Ca2(PO4)3

Ca(PO3)2

Na

Na3

CaNa

No Reaction

Astudent made the lewis dot diagram of a compound shown. what is the error in the lewis dot diagram? a)an o atom should transfer all of its six electrons to mg because the formula is mgo b) both electrons of mg should be transferred to one o adam because the formula is mgo c) the electrons should be transferred from each o add him to capital mg because mg has fewer electrons d) the number of dots around mg should be four because it has to transfer two electrons to each o

May someone me with these science questions

Rank substituents in order of their priority when assigning the e or z label to an alkene. i, ch2i , h, ch2ch2cl, f