If you were to conduct an experiment to answer the question, "Does the volume of a caffeinated drink affect your reaction time?”, what would be the controlled variable? A type of drink
B reaction times
C number of bubbles
D volume of caffeinated drink

Theoretically, which metal should be the most reactive? hydrogen lithium francium fluorine

What effect might melting sea ice have for people who live in coastal areas?

Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)