Answer:
isotopes, there elements with a diffrent type atomic weight then the original, usally due to a higher amout of neutrons than the original. Some Isotopes are just as useable as the normal versions, but in some cases, such as Uranium, they can be even more radioactive than the original form
Answer:
It's obviously true
Explanation:
As we have evolved over the years we have become more advanced
The answer to your question would be silicon. I hope this helped!!!
Things go sublime when changing automatically into vapor when it is heated, usually forming a solid figure.