Answer:
There are three isotopes of silicons. They have masses numbers of 28, 29 and 30. The average amount of silicons is 28.086alum
Explanation:
I learned this in class three days ago so I hope this is helpful i'm in high school ask me for help when ever you want Iĺl help you
Use your senses, so sound, smell( pls waft), change in color or tempurature, bubbles, or light
I believe the answer is a compound because compounds can be separated when put together while mixtures can not.
