Please answer the last 3 in the last column. I will give you points, 5 stars, thanks, and a BRAINLIEST if you pls answer it correctly! Thank you so much and have a good day :)

There are main groups in the modern periodic table of elements

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.

Which of the following units is not an official si unit