Explanation:
28.09 g of silicon contains 6.02×1023 6.02 × 10 23 silicon atoms.
I will have to say that this statement is true
Answer:
Light changes speed in a glass of water.
Explanation:
A beachside all objects have thermal energy but thermal energy is the sum of the energy of all the particles so the more particles the more energy.
Answer:
How can I tell if a chemical reaction is occurring? A chemical reaction is usually accompanied by easily observed physical effects, such as the emission of heat and light, the formation of a precipitate, the evolution of gas, or a color change.
Explanation: