Answer:
color
Explanation:
Scientists can use the color of minerals to tell them apart.
Answer:Magnesium (Mg) is a - reactant
Hydrogen (H2) is a - product
magnesium chloride (MgCI2) is a - product
hydrochloric acid (HCI) is a - reactant
Explanation: It’s in my notes
Answer:
it has made the study of chemistry systematic and easy. it acts as an aid to memory