The piece of evidence would suggest an unknown substance is an ionic compound is that it conducts electricity when dissolved in water.
A non-sandblasted rock could be rough or smooth depending on how it was formed.
A sandblasted rock should be much smoother, since the sand blasts away any rough edges. It will, however, be slightly smaller due to losing those edges.
Answer:
The correct answer would be A.
Answer:
An Element
Explanation:
An Element is made up of only one type of atom (Gold, Silver, etc.)
Hope this helps!
Due to lava which heats water where water vapour is comes
