red litmus paper was used to test toothpaste and it turns blue​.Explain what this tells about the toothpaste

Why is it illegal to manufacture fireworks without a license

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

What is the lowest number energy level where a d sublevel is found