Answer:
D
Explanation:
The electrons revolve around the nucleus and they contain negative charge
Answer:
when silver articles exposed to air silver racts with Sulphur present in the atmosphere and form a black layer of silver sulphide on the surface. copper articles get tarnished by reacting with air and water. due to this, a layer is formed over copper vessels.
<em>Phosphoric acid is an acid used in fertilizers and soaps.</em>
<em> Hope this helps:)</em>
Answer:
not sure, but you know what?
Explanation:
you are amazing! keep doing what youre doing!
