In a chemical reaction, the elements magnesium and chlorine combined to form magnesium chloride (MgCl2). Which statement correctly describes the number of atoms in this reaction?
OA. There are only a third as many atoms after the reaction as there were before it
OB. The number of magnesium atoms decreased in the chemical reaction.
Ос.
The number of chlorine atoms doubled in the chemical reaction.
D
There are just as many magnesium atoms after the reaction as there were before it

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.

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What type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? view available hint(s) what type of interaction occurs between the r groups of valine and isoleucine in a tertiary structure? salt bridge disulfide bridge hydrogen bond hydrophobic interaction