What is the formula for an ionic compound that contains the elements magnesium and chlorine? what is the formula for an ionic compound that contains the elements magnesium and chlorine? mgcl mg2cl mgcl2 mg2cl2?

Agood hypothesis includes which of the following? a: prediction b: data c: uncertainty d: conclusion

Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma