Explanation:
check the steps in the attached image
Elements have neutral charges such as Na so if X has 72 protons + charges then it must also have 72 electrons with - charges
hope that helps
Wave speed = frequency x wavelength
= 100 x 0.3
= 30 m/s.
Hope this helps!
If we have two gram produce 2 grams were consumed
Due to the mass conversation law which state that the mass in a isolated is neither created nor destroyed by chemical reaction or physical transformation. Therefore the mass of the product must be equal to the mass reactant
Answer:
Looks like they're all right
