Answer:
20
Explanation:
protons and nucleons have an atomic weight of 1
electrons carry no weight
hence the weight of the atom is
10 + 10 = 20
AgNO3 + Cu = Cu(NO3)2 + 2Ag .. this is an example of a single replacement reaction.
Answer:
Hard water is any water that does not lather easily with soap. pipe water is an example of hard water.
I hope this helps . good luck.
Answer:
stored energy
Explanation:
stored energy that depends upon the relative position of various parts of a system
The answer is 2 of the coefficient of silver