Christmas winter chemistry counting atoms activity. Digital interactive science task cards for Google Slides, Google Classroom, Digital Resource Distance Learning.2 challenges, 10 multiple choice self-checking problems eachStudents find the total number of atoms in a given chemical expression. Expressions with parentheses included.❗ The students go to the first slide and use the present mode. A correct answer gives the next problem and incorrect returns to the same problem.⭐BIG Bundle of Chemis