Lead (III) sulfate reacts with francium carbonate to form what 2 things also I need help on everything in the picture

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

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule