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Asked in Atoms and Atomic Structure
How many neutrons do the elemants have?
There are too many elements to list how many nuetrons each one has, but as a general rule of thumb you can subtract the atomic number (number of protons) from the molecular mass number (Which is generally the number of protons and nuetrons added, since electrons weigh very little) to obtain the number of nuetrons For example, Carbon has an atomic mass of 12. Subtract the atomic number, which is 6, and you will get the number of nuetrons, which is also...
Who is better for street lighting soduim lamp or LED lamp?
the LED Lighting is better than the soduim. they are more eco-friendly,and can save more electricity than the soduim ones. and as the LED industry development, there are many online shops for people to buy LED products, like www.ledlightspalza.com ...