Some Magnesium compounds undergo thermal decomposition. What are the products of thermal decomposition of Magnesium nitrate Mg(NO3)2 and magnesium hydroxide Mg(OH)2?

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

Which sample at stp has the same number of atoms as 18 liters of ne at stp

Ok, so i have 2 questions. try to answer them both: (the topic is fire) 1) how can you represent the chemical reaction of fire? 2) what kind of bond is formed in this chemical reaction