Answer:
A
Explanation:
it has an arrow symbolizing direction because a vector quantity has both magnitude and direction.
Density is a physical property. It's measured and doesn't change the object chemically.
Two German chemists, Justus von Liebig (1803–1873) and Friedrich Wöhler (1800–1882), were responsible for the emergence of organic chemistry in the early nineteenth century. Their quantitative analytical methods helped establish the constitution of newly isolated and synthesized carbon compounds.
2K + Cl₂ ⇒ 2KCl
2Ca + O₂ ⇒ 2CaO
The answer is B but iam not sure about the answer
