(06.02 MC)

Part 1: What are the two groups of planets based on composition?

Part 2: Describe the composition of each group.

answer: you could do some invislibe ink.

explanation: i will tell you how to if u answer my question.

the atomic mass is the bottom number on the element.

-steel jelly

the atomic number will stay the same no matter how many electrons it has, so it doesn’t decrease nor increase. it’ll only change with a different number of protons

answer:

the reaction is type of combination reaction.

explanation:

on the product side, there are 2 molecules of bonded to fe   which means one atom of fe are combined two molecules of . so, balanced chemical equation becomes :

this reaction follows the reaction type of combination reaction. a combination reaction is defined as chemical reaction in which reactants combines together to form a single product.