What are the four main components of a galaxy? A. Gas, dust, rock, and planets
B. Planets, stars, gas, and rock
C. Stars, clouds, orbits, and other objects
D. Stars, gas, dust, and other objects

Will give brainliest it is a lab from k12 here is the linkfor each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. type your answer here. (score for question 3: of 5 points) were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. type your answer here. (score for question 4: of 5 points) make a general statement about the reactivity of the metals in this experiment. type your answer here.

How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide

What are the major types of a chemical compound