The correct answer to this question is letter "A. homogeneous mixture." The following characteristics describe the type of mixture, which is a homogeneous mixture. The substance is mixed uniformly throughout and each part of <span>the substance contains the same ratio of materials with the same properties</span>
Answer:
Thus,there are 0.2 mole in 8 g of calcium.
Because each element has an exactly defined line emission spectrum, scientists are able to identify them by the color of flame they produce.