Study the ions that contain the element chlorine. What are some similarities between the formulas for these ions?
Select all the correct answers.
They all contain oxygen.
They all have a charge of 1-.
They all contain carbon.
They all contain two chlorine atoms.

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 other elements contain the same number of outer electrons as sodium

Many ionic compounds and a few highly polar covalent compounds are because they completely ionize in water to create a solution filled with charged ions that can conduct an electric current.