A student receives a sample of one of the metals in the table. The sample has a volume of 0.407 cubic centimeter and a mass of 4.27 grams. Which metal did the student most likely receive? (A) Gold
B) Lead
(c) silver
D) Tungsten

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."

d.) the average kinetic energy of the gas particles is greater in container b because its particles move faster.

plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.