Ummm I think it is C. ( not sure)
Mos commonly 2 elements combine.
examples: H2, O2
Explanation:
water evaporates because when h2o (water) particles heat up, they gain energy causing them to start to vibrate. this moves the oarticles further and further away from eachother and making the substance less dense, and turning it into a gas. meaning it has evaporated
Answer:
light travels as a wave. but unlike sound waves or water waves, it doesn't need any matter or material to carry it's energy along
Answer: The amount of water formed is 12 moles
Explanation: Please see the attachments below